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Groups > linux.kernel > #1453565

[PATCH 3/3] perf/x86: use PMUEF_READ_CPU_PKG in uncore events

From David Carrillo-Cisneros <davidcc@google.com>
Newsgroups linux.kernel
Subject [PATCH 3/3] perf/x86: use PMUEF_READ_CPU_PKG in uncore events
Date 2016-08-02 05:20 +0200
Message-ID <s1ypj-786-9@gated-at.bofh.it> (permalink)
References <s1ypj-786-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Add flag to Intel's uncore and RAPL.

Signed-off-by: David Carrillo-Cisneros <davidcc@google.com>
Reviewed-by: Stephane Eranian <eranian@google.com>
---
 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 d0c58b3..a423d7d 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->pmu_event_flags = PMUEF_READ_CPU_PKG;
+
 	/*
 	 * check event is known (determines counter)
 	 */
diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c
index dc965d2..ba3ebba 100644
--- a/arch/x86/events/intel/uncore.c
+++ b/arch/x86/events/intel/uncore.c
@@ -662,6 +662,8 @@ static int uncore_pmu_event_init(struct perf_event *event)
 	event->cpu = box->cpu;
 	event->pmu_private = box;
 
+	event->pmu_event_flags = PMUEF_READ_CPU_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 96531d2..c70bfc6 100644
--- a/arch/x86/events/intel/uncore_snb.c
+++ b/arch/x86/events/intel/uncore_snb.c
@@ -315,6 +315,8 @@ static int snb_uncore_imc_event_init(struct perf_event *event)
 	event->cpu = box->cpu;
 	event->pmu_private = box;
 
+	event->pmu_event_flags = PMUEF_READ_CPU_PKG;
+
 	event->hw.idx = -1;
 	event->hw.last_tag = ~0ULL;
 	event->hw.extra_reg.idx = EXTRA_REG_NONE;
-- 
2.8.0.rc3.226.g39d4020

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Thread

[PATCH 0/3] remove unnecessary IPI reading uncore events David Carrillo-Cisneros <davidcc@google.com> - 2016-08-02 05:20 +0200
  [PATCH 3/3] perf/x86: use PMUEF_READ_CPU_PKG in uncore events David Carrillo-Cisneros <davidcc@google.com> - 2016-08-02 05:20 +0200
  [PATCH 2/3] perf/core: introduce pmu_event_flags and PMUEF_READ_CPU_PKG David Carrillo-Cisneros <davidcc@google.com> - 2016-08-02 05:20 +0200
    Re: [PATCH 2/3] perf/core: introduce pmu_event_flags and  PMUEF_READ_CPU_PKG Peter Zijlstra <peterz@infradead.org> - 2016-08-04 17:10 +0200
      Re: [PATCH 2/3] perf/core: introduce pmu_event_flags and PMUEF_READ_CPU_PKG David Carrillo-Cisneros <davidcc@google.com> - 2016-08-04 19:30 +0200
    Re: [PATCH 2/3] perf/core: introduce pmu_event_flags and  PMUEF_READ_CPU_PKG Peter Zijlstra <peterz@infradead.org> - 2016-08-04 17:10 +0200
      Re: [PATCH 2/3] perf/core: introduce pmu_event_flags and  PMUEF_READ_CPU_PKG Peter Zijlstra <peterz@infradead.org> - 2016-08-04 19:30 +0200
        Re: [PATCH 2/3] perf/core: introduce pmu_event_flags and PMUEF_READ_CPU_PKG David Carrillo-Cisneros <davidcc@google.com> - 2016-08-04 19:50 +0200
      Re: [PATCH 2/3] perf/core: introduce pmu_event_flags and PMUEF_READ_CPU_PKG David Carrillo-Cisneros <davidcc@google.com> - 2016-08-04 19:40 +0200
    Re: [PATCH 2/3] perf/core: introduce pmu_event_flags and  PMUEF_READ_CPU_PKG Peter Zijlstra <peterz@infradead.org> - 2016-08-04 17:50 +0200
  [PATCH 1/3] perf/core: check return value of perf_event_read IPI David Carrillo-Cisneros <davidcc@google.com> - 2016-08-02 06:40 +0200
  Re: [PATCH 0/3] remove unnecessary IPI reading uncore events Andi Kleen <ak@linux.intel.com> - 2016-08-02 17:30 +0200

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