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Commit 15fab56e authored by Chris Freehill's avatar Chris Freehill Committed by Benjamin Herrenschmidt
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powerpc/perf: Add stalled-cycles events 



Support for stalled-cycles-frontend and stalled-cycles-backend is
added for e500-based processors.

The following mappings are used:

stalled-cycles-frontend or idle-cycles-frontend:
Com:18 Cycles decode stalled

stalled-cycles-backend or idle-cycles-backend
Com:19 cycles issue stalled

Signed-off-by: default avatarChris Freehill <chrisf@freescale.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent fe3955cb

arch/powerpc/perf/e500-pmu.c

+2 −0
Original line number Diff line number Diff line
@@ -24,6 +24,8 @@ static int e500_generic_events[] = { 
	[PERF_COUNT_HW_CACHE_MISSES] = 41, /* Data L1 cache reloads */

	[PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 12,

	[PERF_COUNT_HW_BRANCH_MISSES] = 15,

	[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 18,

	[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = 19,

};



#define C(x)	PERF_COUNT_HW_CACHE_##x