[PATCH] perf events, powerpc: Add POWER7 stalled-cycles-frontend/backend events

Anshuman Khandual khandual at linux.vnet.ibm.com
Tue Aug 30 14:43:41 EST 2011


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 at linux.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 




More information about the Linuxppc-dev mailing list