linux-kernel - [PATCH 5/6 -tip] perf_counter: Add hardware vector events for nehalem

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Date:	Wed, 01 Jul 2009 15:08:57 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	x86 maintainers <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: [PATCH 5/6 -tip] perf_counter: Add hardware vector events for
 nehalem


Add hardware vector events for nehalem

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@...il.com>
---
 arch/x86/kernel/cpu/perf_counter.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index 487df5c..8f05226 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -378,6 +378,16 @@ static const u64 atom_hw_cache_event_ids
 
 static u64 __read_mostly hw_vector_event_ids[PERF_COUNT_HW_VECTOR_MAX];
 
+static const u64 nehalem_hw_vector_event_ids[] =
+{
+  [PERF_COUNT_HW_VECTOR_ADD]		= 0x01B1, /* UOPS_EXECUTED.PORT0     */
+  [PERF_COUNT_HW_VECTOR_MULTIPLY]	= 0x0214, /* ARITH.MUL               */
+  [PERF_COUNT_HW_VECTOR_DIVIDE]		= 0x0114, /* ARITH.CYCLES_DIV_BUSY   */
+  [PERF_COUNT_HW_VECTOR_IDLE_CYCLES]	= 0x0,
+  [PERF_COUNT_HW_VECTOR_STALL_CYCLES]	= 0x60A2, /* RESOURCE_STALLS.FPCW|MXCSR*/
+  [PERF_COUNT_HW_VECTOR_OPS]		= 0x0710, /* FP_COMP_OPS_EXE.X87|MMX|SSE_FP*/
+};
+
 /*
  * Generalized hw interrupt event table
  */
@@ -1503,6 +1513,8 @@ static int intel_pmu_init(void)
 	case 26:
 		memcpy(hw_cache_event_ids, nehalem_hw_cache_event_ids,
 		       sizeof(hw_cache_event_ids));
+		memcpy(hw_vector_event_ids, nehalem_hw_vector_event_ids,
+		       sizeof(hw_vector_event_ids));
 
 		pr_cont("Nehalem/Corei7 events, ");
 		break;
-- 
1.6.0.6



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