public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
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>,
	Paul Turner <pjt@google.com>,
	Stephane Eranian <eranian@google.com>,
	David Carrillo-Cisneros <davidcc@google.com>
Subject: [PATCH 3/3] perf/x86: use PMUEF_READ_CPU_PKG in uncore events
Date: Mon,  1 Aug 2016 19:44:55 -0700	[thread overview]
Message-ID: <1470105895-71379-4-git-send-email-davidcc@google.com> (raw)
In-Reply-To: <1470105895-71379-1-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 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

  parent reply	other threads:[~2016-08-02  3:12 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-02  2:44 [PATCH 0/3] remove unnecessary IPI reading uncore events David Carrillo-Cisneros
2016-08-02  2:44 ` [PATCH 1/3] perf/core: check return value of perf_event_read IPI David Carrillo-Cisneros
2016-08-02  2:44 ` [PATCH 2/3] perf/core: introduce pmu_event_flags and PMUEF_READ_CPU_PKG David Carrillo-Cisneros
2016-08-04 14:43   ` Peter Zijlstra
2016-08-04 17:24     ` David Carrillo-Cisneros
2016-08-04 15:00   ` Peter Zijlstra
2016-08-04 17:23     ` David Carrillo-Cisneros
2016-08-04 17:27       ` Peter Zijlstra
2016-08-04 17:49         ` David Carrillo-Cisneros
2016-08-04 15:11   ` Peter Zijlstra
2016-08-02  2:44 ` David Carrillo-Cisneros [this message]
2016-08-02 15:11 ` [PATCH 0/3] remove unnecessary IPI reading uncore events Andi Kleen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1470105895-71379-4-git-send-email-davidcc@google.com \
    --to=davidcc@google.com \
    --cc=ak@linux.intel.com \
    --cc=eranian@google.com \
    --cc=kan.liang@intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=peterz@infradead.org \
    --cc=pjt@google.com \
    --cc=tglx@linutronix.de \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox