From: David Carrillo-Cisneros <davidcc@google.com>
To: linux-kernel@vger.kernel.org
Cc: "x86@kernel.org" <x86@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Andi Kleen <ak@linux.intel.com>, Kan Liang <kan.liang@intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Vegard Nossum <vegard.nossum@gmail.com>,
Paul Turner <pjt@google.com>,
Stephane Eranian <eranian@google.com>,
David Carrillo-Cisneros <davidcc@google.com>
Subject: [PATCH v3 4/4] perf/x86: use PMUEF_READ_CPU_PKG in uncore events
Date: Wed, 17 Aug 2016 13:55:07 -0700 [thread overview]
Message-ID: <1471467307-61171-5-git-send-email-davidcc@google.com> (raw)
In-Reply-To: <1471467307-61171-1-git-send-email-davidcc@google.com>
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 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 97a69db..e2a63e4 100644
--- a/arch/x86/events/intel/uncore_snb.c
+++ b/arch/x86/events/intel/uncore_snb.c
@@ -374,6 +374,8 @@ 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;
--
2.8.0.rc3.226.g39d4020
next prev parent reply other threads:[~2016-08-17 20:55 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-17 20:55 [PATCH v3 0/4] remove unnecessary IPI reading uncore events David Carrillo-Cisneros
2016-08-17 20:55 ` [PATCH v3 1/4] perf/core: check return value of perf_event_read IPI David Carrillo-Cisneros
2016-08-18 10:52 ` [tip:perf/core] perf/core: Check return value of the perf_event_read() IPI tip-bot for David Carrillo-Cisneros
2016-08-21 12:10 ` Vegard Nossum
2016-08-22 7:17 ` Jiri Olsa
2016-08-22 8:29 ` Jiri Olsa
2016-08-22 10:38 ` Jiri Olsa
2016-08-28 18:09 ` Jiri Olsa
2016-08-29 10:03 ` Peter Zijlstra
2016-08-29 13:02 ` Peter Zijlstra
2016-08-29 13:14 ` Vince Weaver
2016-08-29 18:58 ` Jiri Olsa
2016-08-30 6:47 ` Peter Zijlstra
2016-08-30 7:26 ` Peter Zijlstra
2016-08-30 9:47 ` Jiri Olsa
2016-08-30 16:26 ` Stephane Eranian
2016-09-02 8:33 ` Peter Zijlstra
2016-10-09 7:09 ` [perf/core] 412929295f: WARNING: CPU: 2 PID: 600 at kernel/events/core.c:3530 perf_event_read+0x17d/0x190 kernel test robot
2016-10-09 7:09 ` [lkp] " kernel test robot
2016-10-09 7:58 ` David Carrillo-Cisneros
2016-08-17 20:55 ` [PATCH v3 2/4] perf/core: generalize event->group_flags David Carrillo-Cisneros
2016-08-18 10:53 ` [tip:perf/core] perf/core: Generalize event->group_flags tip-bot for David Carrillo-Cisneros
2016-08-17 20:55 ` [PATCH v3 3/4] perf/core: introduce PMU_EV_CAP_READ_ACTIVE_PKG David Carrillo-Cisneros
2016-08-18 10:54 ` [tip:perf/core] perf/core: Introduce PMU_EV_CAP_READ_ACTIVE_PKG tip-bot for David Carrillo-Cisneros
2016-08-17 20:55 ` David Carrillo-Cisneros [this message]
2016-08-18 10:54 ` [tip:perf/core] perf/x86: Use PMUEF_READ_CPU_PKG in uncore events tip-bot for David Carrillo-Cisneros
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