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From: Matt Fleming <matt@console-pimps.org>
To: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@kernel.org>, Jiri Olsa <jolsa@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Andi Kleen <andi@firstfloor.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Kanaka Juvva <kanaka.d.juvva@intel.com>,
	Matt Fleming <matt.fleming@intel.com>,
	Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH v4 00/11] perf: Intel Cache QoS Monitoring support
Date: Tue, 25 Nov 2014 14:55:09 +0000	[thread overview]
Message-ID: <20141125145509.GB3331@console-pimps.org> (raw)
In-Reply-To: <1415999712-5850-1-git-send-email-matt@console-pimps.org>

On Fri, 14 Nov, at 09:15:01PM, Matt Fleming wrote:
> From: Matt Fleming <matt.fleming@intel.com>
> 
> This patch series adds a new PMU driver for the Intel Cache Monitoring
> hardware feature available in Intel Xeon processors, which allows
> monitoring of LLC occupancy on a task, group or system-wide basis.
> 
> The first few patches modify tools/perf to handle per-package counters,
> which necessitates discarding some values when doing per-cpu reads to
> avoid getting duplicate data. The rest add support for the new PMU code.
> 
> I've left a notoriously funky bit of code near the end of the series,
> the RMID rotation code, in an attempt to simplify things. Doing the
> rotation provides the ability to multiplex the RMIDs and basically
> overcome the hardware limitation, but the rest of the patches work fine
> without it. But there are a number of scenarios where being able to
> monitor more tasks than RMIDs is extremely useful.
> 
> The series is based on tip/perf/core.

Any feedback on this series?

Stephane, the original thread is here, 

  https://lkml.kernel.org/r/1415999712-5850-1-git-send-email-matt@console-pimps.org

-- 
Matt Fleming, Intel Open Source Technology Center

  parent reply	other threads:[~2014-11-25 14:55 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-14 21:15 [PATCH v4 00/11] perf: Intel Cache QoS Monitoring support Matt Fleming
2014-11-14 21:15 ` [PATCH 01/11] perf tools: Parse event per-package info files Matt Fleming
2014-11-14 21:15 ` [PATCH 02/11] perf tools: Implement snapshot event file logic Matt Fleming
2014-11-14 21:15 ` [PATCH 03/11] perf: Make perf_cgroup_from_task() global Matt Fleming
2014-11-14 21:15 ` [PATCH 04/11] perf: Add ->count() function to read per-package counters Matt Fleming
2014-11-14 21:15 ` [PATCH 05/11] perf: Move cgroup init before PMU ->event_init() Matt Fleming
2014-11-14 21:15 ` [PATCH 06/11] x86: Add support for Intel Cache QoS Monitoring (CQM) detection Matt Fleming
2014-11-14 21:15 ` [PATCH 07/11] perf/x86/intel: Add Intel Cache QoS Monitoring support Matt Fleming
2014-11-14 21:15 ` [PATCH 08/11] perf/x86/intel: Implement LRU monitoring ID allocation for CQM Matt Fleming
2014-11-14 21:15 ` [PATCH v4 09/11] perf/x86/intel: Support task events with Intel CQM Matt Fleming
2014-11-14 21:15 ` [PATCH v4 10/11] perf/x86/intel: Perform rotation on Intel CQM RMIDs Matt Fleming
2015-01-06 16:13   ` Peter Zijlstra
2015-01-06 17:17   ` Peter Zijlstra
2015-01-09 12:14     ` Matt Fleming
2015-01-09 13:02       ` Peter Zijlstra
2015-01-09 15:24         ` Matt Fleming
2015-01-09 15:58           ` Peter Zijlstra
2015-01-15 15:31             ` Matt Fleming
2015-01-15 19:37             ` Matt Fleming
2015-01-06 17:36   ` Peter Zijlstra
2015-01-09 12:22     ` Matt Fleming
2015-01-09 12:59       ` Peter Zijlstra
2015-01-07 12:16   ` Peter Zijlstra
2015-01-09 12:55     ` Matt Fleming
2015-01-09 12:58       ` Peter Zijlstra
2015-01-11 10:45         ` Matt Fleming
2014-11-14 21:15 ` [PATCH 11/11] perf/x86/intel: Enable conflicting event scheduling for CQM Matt Fleming
2015-01-08 11:49   ` Peter Zijlstra
2015-01-09 12:56     ` Matt Fleming
2015-01-08 11:51   ` Peter Zijlstra
2015-01-09 14:27     ` Matt Fleming
2014-11-25 14:55 ` Matt Fleming [this message]
2014-12-18  7:59   ` [PATCH v4 00/11] perf: Intel Cache QoS Monitoring support Matt Fleming

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