linux-kernel - [PATCH] x86,perf: Add IvyBridge EP support

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Date:	Tue, 18 Dec 2012 12:20:23 -0500
From:	Youquan Song <youquan.song@...el.com>
To:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>, mingo@...nel.org,
	Stephane Eranian <eranian@...gle.com>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Andi Kleen <andi@...stfloor.org>, tglx@...utronix.de
Cc:	Youquan Song <youquan.song@...ux.intel.com>,
	Youquan Song <youquan.song@...el.com>
Subject: [PATCH] x86,perf: Add IvyBridge EP support

Run in perf utility at Ivybridge EP server, encouter "not supported" event

   <not supported> L1-dcache-loads         
   <not supported> L1-dcache-load-misses   
   <not supported> L1-dcache-stores        
   <not supported> L1-dcache-store-misses  
   <not supported> L1-dcache-prefetches    
   <not supported> L1-dcache-prefetch-misses

This patch add the support for this processor.

Reviewed-by: Andi Kleen <ak@...ux.intel.com>
Signed-off-by: Youquan Song <youquan.song@...el.com>
---
 arch/x86/kernel/cpu/perf_event_intel.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 324bb52..aea3503 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -2075,6 +2075,7 @@ __init int intel_pmu_init(void)
 		pr_cont("SandyBridge events, ");
 		break;
 	case 58: /* IvyBridge */
+	case 62: /* IvyBridge EP */
 		memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
 		       sizeof(hw_cache_event_ids));
 		memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs,
-- 
1.6.4.2

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