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Message-ID: <4E5C6A7D.2010909@linux.vnet.ibm.com>
Date: Tue, 30 Aug 2011 10:13:41 +0530
From: Anshuman Khandual <khandual@...ux.vnet.ibm.com>
To: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
Paul Mackerras <paulus@...ba.org>
Subject: [PATCH] perf events, powerpc: Add POWER7 stalled-cycles-frontend/backend
events
perf events, powerpc: Add POWER7 stalled-cycles-frontend/backend events
Extent the POWER7 PMU driver with definitions
for generic front-end and back-end stall events.
Signed-off-by: Anshuman Khandual <khandual@...ux.vnet.ibm.com>
diff --git a/arch/powerpc/kernel/power7-pmu.c b/arch/powerpc/kernel/power7-pmu.c
index 593740f..e5d2844 100644
--- a/arch/powerpc/kernel/power7-pmu.c
+++ b/arch/powerpc/kernel/power7-pmu.c
@@ -297,6 +297,8 @@ static void power7_disable_pmc(unsigned int pmc, unsigned long mmcr[])
static int power7_generic_events[] = {
[PERF_COUNT_HW_CPU_CYCLES] = 0x1e,
+ [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x100f8, /* GCT_NOSLOT_CYC */
+ [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = 0x4000a, /* CMPLU_STALL */
[PERF_COUNT_HW_INSTRUCTIONS] = 2,
[PERF_COUNT_HW_CACHE_REFERENCES] = 0xc880, /* LD_REF_L1_LSU*/
[PERF_COUNT_HW_CACHE_MISSES] = 0x400f0, /* LD_MISS_L1 */
--
Anshuman Khandual
--
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