2 Commits

Author	SHA1	Message	Date
Michael Ellerman	3752e453f6	selftests/powerpc: Add tests of PMU EBBs ... The Power8 Performance Monitor Unit (PMU) has a new feature called Event Based Branches (EBB). This commit adds tests of the kernel API for using EBBs. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>	2014-06-11 17:03:58 +10:00
Michael Ellerman	cb96143def	selftests: Add test of PMU instruction counting on powerpc ... This commit adds a test of instruction counting using the PMU on powerpc. Although the bulk of the code is architecture agnostic, the code needs to run a precisely sized loop which is implemented in assembler. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>	2013-08-14 14:57:10 +10:00