From: Matt Fleming <matt.fleming@intel.com>
To: <mingo@kernel.org>, <jolsa@redhat.com>,
<torvalds@linux-foundation.org>, <peterz@infradead.org>,
<linux-kernel@vger.kernel.org>, <acme@kernel.org>,
<acme@redhat.com>, <hpa@zytor.com>, <kanaka.d.juvva@intel.com>,
<vikas.shivappa@linux.intel.com>, <tglx@linutronix.de>
Cc: <linux-tip-commits@vger.kernel.org>
Subject: Re: [tip:perf/x86] perf/x86/intel: Add Intel Cache QoS Monitoring support
Date: Thu, 26 Feb 2015 18:47:00 +0000 [thread overview]
Message-ID: <1424976420.15321.35.camel@mfleming-mobl1.ger.corp.intel.com> (raw)
In-Reply-To: <tip-4afbb24ce5e723c8a093a6674a3c33062175078a@git.kernel.org>
On Wed, 2015-02-25 at 20:15 -0800, tip-bot for Matt Fleming wrote:
> Commit-ID: 4afbb24ce5e723c8a093a6674a3c33062175078a
> Gitweb: http://git.kernel.org/tip/4afbb24ce5e723c8a093a6674a3c33062175078a
> Author: Matt Fleming <matt.fleming@intel.com>
> AuthorDate: Fri, 23 Jan 2015 18:45:44 +0000
> Committer: Ingo Molnar <mingo@kernel.org>
> CommitDate: Wed, 25 Feb 2015 13:53:32 +0100
>
> perf/x86/intel: Add Intel Cache QoS Monitoring support
>
> Future Intel Xeon processors support a Cache QoS Monitoring feature that
> allows tracking of the LLC occupancy for a task or task group, i.e. the
> amount of data in pulled into the LLC for the task (group).
>
> Currently the PMU only supports per-cpu events. We create an event for
> each cpu and read out all the LLC occupancy values.
>
> Because this results in duplicate values being written out to userspace,
> we also export a .per-pkg event file so that the perf tools only
> accumulate values for one cpu per package.
>
> Signed-off-by: Matt Fleming <matt.fleming@intel.com>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
> Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
> Cc: H. Peter Anvin <hpa@zytor.com>
> Cc: Jiri Olsa <jolsa@redhat.com>
> Cc: Kanaka Juvva <kanaka.d.juvva@intel.com>
> Cc: Linus Torvalds <torvalds@linux-foundation.org>
> Cc: Vikas Shivappa <vikas.shivappa@linux.intel.com>
> Link: http://lkml.kernel.org/r/1422038748-21397-6-git-send-email-matt@codeblueprint.co.uk
> Signed-off-by: Ingo Molnar <mingo@kernel.org>
> ---
> arch/x86/kernel/cpu/perf_event_intel_cqm.c | 530 +++++++++++++++++++++++++++++
> include/linux/perf_event.h | 7 +
> 2 files changed, 537 insertions(+)
Weird. I just noticed that the Makefile hunk got dropped. Was that
intentional?
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index 80091ae54c2b..6c1ca139f736 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -39,7 +39,7 @@ obj-$(CONFIG_CPU_SUP_AMD) += perf_event_amd_iommu.o
endif
obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_p6.o perf_event_knc.o perf_event_p4.o
obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_lbr.o perf_event_intel_ds.o perf_event_intel.o
-obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_rapl.o
+obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_rapl.o perf_event_intel_cqm.o
obj-$(CONFIG_PERF_EVENTS_INTEL_UNCORE) += perf_event_intel_uncore.o \
perf_event_intel_uncore_snb.o \
next prev parent reply other threads:[~2015-02-26 18:47 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-23 18:45 [PATCH v5 0/9] perf: " Matt Fleming
2015-01-23 18:45 ` [PATCH 1/9] perf: Make perf_cgroup_from_task() global Matt Fleming
2015-02-26 4:14 ` [tip:perf/x86] " tip-bot for Matt Fleming
2015-01-23 18:45 ` [PATCH 2/9] perf: Add ->count() function to read per-package counters Matt Fleming
2015-02-26 4:14 ` [tip:perf/x86] " tip-bot for Matt Fleming
2015-01-23 18:45 ` [PATCH 3/9] perf: Move cgroup init before PMU ->event_init() Matt Fleming
2015-02-26 4:14 ` [tip:perf/x86] " tip-bot for Matt Fleming
2015-01-23 18:45 ` [PATCH 4/9] x86: Add support for Intel Cache QoS Monitoring (CQM) detection Matt Fleming
2015-02-26 4:14 ` [tip:perf/x86] x86: Add support for Intel Cache QoS Monitoring ( CQM) detection tip-bot for Peter P Waskiewicz Jr
2015-01-23 18:45 ` [PATCH 5/9] perf/x86/intel: Add Intel Cache QoS Monitoring support Matt Fleming
2015-01-25 18:34 ` Jiri Olsa
2015-01-25 23:07 ` Matt Fleming
2015-02-26 4:15 ` [tip:perf/x86] " tip-bot for Matt Fleming
2015-02-26 18:47 ` Matt Fleming [this message]
2015-02-26 19:40 ` Peter Zijlstra
2015-03-23 12:25 ` [tip:perf/x86] perf/x86/intel: Fix Makefile to actually build the cqm driver tip-bot for Matt Fleming
2015-01-23 18:45 ` [PATCH 6/9] perf/x86/intel: Implement LRU monitoring ID allocation for CQM Matt Fleming
2015-02-26 4:15 ` [tip:perf/x86] " tip-bot for Matt Fleming
2015-01-23 18:45 ` [PATCH 7/9] perf/x86/intel: Support task events with Intel CQM Matt Fleming
2015-02-26 4:15 ` [tip:perf/x86] " tip-bot for Matt Fleming
2015-03-04 4:16 ` Vince Weaver
2015-03-05 0:55 ` Ingo Molnar
2015-03-05 21:10 ` Peter Zijlstra
2015-03-23 12:26 ` [tip:perf/x86] perf: Remove type specific target pointers tip-bot for Peter Zijlstra
2015-01-23 18:45 ` [PATCH v5 8/9] perf/x86/intel: Perform rotation on Intel CQM RMIDs Matt Fleming
2015-02-26 4:16 ` [tip:perf/x86] " tip-bot for Matt Fleming
2015-01-23 18:45 ` [PATCH v5 9/9] perf/x86/intel: Enable conflicting event scheduling for CQM Matt Fleming
2015-02-26 4:16 ` [tip:perf/x86] " tip-bot for Matt Fleming
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