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| author |   Michael Ellerman <michael@ellerman.id.au> | 2013-08-06 17:42:37 +1000 |
|---|---|---|
| committer |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-08-14 14:57:10 +1000 |
| commit | cb96143defbd5516c351595d56b608ed915b525e (patch) | |
| tree | 427dc6a4231f1c3b1ed9f7a327676223487d2b07 /tools/testing/selftests/powerpc/pmu/Makefile | |
| parent | selftests: Add support files for powerpc tests (diff) | |
| download | linux-dev-cb96143defbd5516c351595d56b608ed915b525e.tar.xz linux-dev-cb96143defbd5516c351595d56b608ed915b525e.zip | |
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>
Diffstat (limited to 'tools/testing/selftests/powerpc/pmu/Makefile')
| -rw-r--r-- | tools/testing/selftests/powerpc/pmu/Makefile | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/pmu/Makefile b/tools/testing/selftests/powerpc/pmu/Makefile new file mode 100644 index 000000000000..7216f0091655 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/Makefile @@ -0,0 +1,23 @@ +noarg: + $(MAKE) -C ../ + +PROGS := count_instructions +EXTRA_SOURCES := ../harness.c event.c + +all: $(PROGS) + +$(PROGS): $(EXTRA_SOURCES) + +# loop.S can only be built 64-bit +count_instructions: loop.S count_instructions.c $(EXTRA_SOURCES) + $(CC) $(CFLAGS) -m64 -o $@ $^ + +run_tests: all + @-for PROG in $(PROGS); do \ + ./$$PROG; \ + done; + +clean: + rm -f $(PROGS) loop.o + +.PHONY: all run_tests clean |