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OpenCloudOS-Kernel
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Author SHA1 Message Date
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
Michael Ellerman 0e56dacdda selftests: Add infrastructure for powerpc selftests 
This commit adds a powerpc subdirectory to tools/testing/selftests,
for tests that are powerpc specific.

On other architectures nothing is built. The makefile supports cross
compilation if the user sets ARCH and CROSS_COMPILE.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
 2013-08-14 14:57:03 +10:00