linux-kernel - [PATCH] perf/x86/rapl: enable Broadwell-U RAPL support

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Message-ID: <20150423070709.GA4970@thinkpad>
Date:	Thu, 23 Apr 2015 09:07:09 +0200
From:	Stephane Eranian <eranian@...gle.com>
To:	linux-kernel@...r.kernel.org
Cc:	peterz@...radead.org, ak@...ux.intel.com,
	jacob.jun.pan@...ux.intel.com, kan.liang@...el.com, mingo@...e.hu,
	sonnyrao@...omium.org
Subject: [PATCH] perf/x86/rapl: enable Broadwell-U RAPL support


This patch enables RAPL counters (energy consumption counters)
support for Intel Broadwell-U processors (Model 61).

To use:
 $ perf stat -a -I 1000 -e power/energy-cores/,power/energy-pkg/,power/energy-ram/ sleep 10

Signed-off-by: Stephane Eranian <eranian@...gle.com>
---
 arch/x86/kernel/cpu/perf_event_intel_rapl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
index 999289b9..358c54a 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
@@ -722,6 +722,7 @@ static int __init rapl_pmu_init(void)
 		break;
 	case 60: /* Haswell */
 	case 69: /* Haswell-Celeron */
+	case 61: /* Broadwell */
 		rapl_cntr_mask = RAPL_IDX_HSW;
 		rapl_pmu_events_group.attrs = rapl_events_hsw_attr;
 		break;
-- 
2.1.0

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