linux-kernel - [tip:perf/urgent] perf/x86: Add SNB/ SNB-EP scheduling constraints for cycle

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Date:	Mon, 18 Mar 2013 04:12:43 -0700
From:	tip-bot for Stephane Eranian <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, eranian@...gle.com, hpa@...or.com,
	mingo@...nel.org, tglx@...utronix.de, eranian@...il.com
Subject: [tip:perf/urgent] perf/x86: Add SNB/
 SNB-EP scheduling constraints for cycle_activity event

Commit-ID:  fd4a5aef002bb57e8a35ed34d8a878034b9bde94
Gitweb:     http://git.kernel.org/tip/fd4a5aef002bb57e8a35ed34d8a878034b9bde94
Author:     Stephane Eranian <eranian@...gle.com>
AuthorDate: Sun, 17 Mar 2013 14:49:57 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 18 Mar 2013 10:23:13 +0100

perf/x86: Add SNB/SNB-EP scheduling constraints for cycle_activity event

Add scheduling constraints for SNB/SNB-EP CYCLE_ACTIVITY event
as defined by SDM Jan 2013 edition. The STALLS umasks are
combinations with the NO_DISPATCH umask.

Signed-off-by: Stephane Eranian <eranian@...il.com>
Cc: peterz@...radead.org
Cc: ak@...ux.intel.com
Cc: jolsa@...hat.com
Link: http://lkml.kernel.org/r/20130317134957.GA8550@quad
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kernel/cpu/perf_event_intel.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 529c893..dab7580 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -101,6 +101,10 @@ static struct event_constraint intel_snb_event_constraints[] __read_mostly =
 	FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
 	FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
 	FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
+	INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_DISPATCH */
+	INTEL_UEVENT_CONSTRAINT(0x05a3, 0xf), /* CYCLE_ACTIVITY.STALLS_L2_PENDING */
+	INTEL_UEVENT_CONSTRAINT(0x02a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
+	INTEL_UEVENT_CONSTRAINT(0x06a3, 0x4), /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */
 	INTEL_EVENT_CONSTRAINT(0x48, 0x4), /* L1D_PEND_MISS.PENDING */
 	INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */
 	INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */
--
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