linux-kernel - [tip:perf/core] perf/x86: Use PMUEF_READ_CPU

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Message-ID: <tip-e64cd6f73ff5a7eb4f8f759049ee24a3fe55e731@git.kernel.org>
Date:	Thu, 18 Aug 2016 03:54:49 -0700
From:	tip-bot for David Carrillo-Cisneros <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, vegard.nossum@...il.com,
	linux-kernel@...r.kernel.org, eranian@...gle.com,
	kan.liang@...el.com, alexander.shishkin@...ux.intel.com,
	davidcc@...gle.com, pjt@...gle.com, acme@...hat.com, hpa@...or.com,
	jolsa@...hat.com, vincent.weaver@...ne.edu, mingo@...nel.org,
	tglx@...utronix.de, peterz@...radead.org
Subject: [tip:perf/core] perf/x86: Use PMUEF_READ_CPU_PKG in uncore events

Commit-ID:  e64cd6f73ff5a7eb4f8f759049ee24a3fe55e731
Gitweb:     http://git.kernel.org/tip/e64cd6f73ff5a7eb4f8f759049ee24a3fe55e731
Author:     David Carrillo-Cisneros <davidcc@...gle.com>
AuthorDate: Wed, 17 Aug 2016 13:55:07 -0700
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Thu, 18 Aug 2016 10:54:34 +0200

perf/x86: Use PMUEF_READ_CPU_PKG in uncore events

Add flag to Intel's uncore and RAPL.

Signed-off-by: David Carrillo-Cisneros <davidcc@...gle.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Stephane Eranian <eranian@...gle.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Kan Liang <kan.liang@...el.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Paul Turner <pjt@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Vegard Nossum <vegard.nossum@...il.com>
Cc: Vince Weaver <vincent.weaver@...ne.edu>
Link: http://lkml.kernel.org/r/1471467307-61171-5-git-send-email-davidcc@google.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/events/intel/rapl.c       | 2 ++
 arch/x86/events/intel/uncore.c     | 2 ++
 arch/x86/events/intel/uncore_snb.c | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/arch/x86/events/intel/rapl.c b/arch/x86/events/intel/rapl.c
index 2886593..62bebcc 100644
--- a/arch/x86/events/intel/rapl.c
+++ b/arch/x86/events/intel/rapl.c
@@ -357,6 +357,8 @@ static int rapl_pmu_event_init(struct perf_event *event)
 	if (event->cpu < 0)
 		return -EINVAL;
 
+	event->event_caps |= PERF_EV_CAP_READ_ACTIVE_PKG;
+
 	/*
 	 * check event is known (determines counter)
 	 */
diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c
index 463dc7a..7b3cc8b 100644
--- a/arch/x86/events/intel/uncore.c
+++ b/arch/x86/events/intel/uncore.c
@@ -664,6 +664,8 @@ static int uncore_pmu_event_init(struct perf_event *event)
 	event->cpu = box->cpu;
 	event->pmu_private = box;
 
+	event->event_caps |= PERF_EV_CAP_READ_ACTIVE_PKG;
+
 	event->hw.idx = -1;
 	event->hw.last_tag = ~0ULL;
 	event->hw.extra_reg.idx = EXTRA_REG_NONE;
diff --git a/arch/x86/events/intel/uncore_snb.c b/arch/x86/events/intel/uncore_snb.c
index 9d35ec0..5f845ee 100644
--- a/arch/x86/events/intel/uncore_snb.c
+++ b/arch/x86/events/intel/uncore_snb.c
@@ -388,6 +388,8 @@ static int snb_uncore_imc_event_init(struct perf_event *event)
 	event->cpu = box->cpu;
 	event->pmu_private = box;
 
+	event->event_caps |= PERF_EV_CAP_READ_ACTIVE_PKG;
+
 	event->hw.idx = -1;
 	event->hw.last_tag = ~0ULL;
 	event->hw.extra_reg.idx = EXTRA_REG_NONE;