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| author | Michael Ellerman <mpe@ellerman.id.au> | 2020-04-26 14:44:10 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-05-15 04:58:55 +0300 |
| commit | 7481cad4747303442209bc5dba2f56c3afcea07d (patch) | |
| tree | e5b1152ce40d931a33a608a80a1083d94a23d4d3 /tools/testing/selftests/powerpc/pmu/Makefile | |
| parent | 24ac99e97fa7b8f0db9b48413a76def9cf73295c (diff) | |
| download | linux-7481cad4747303442209bc5dba2f56c3afcea07d.tar.xz | |
selftests/powerpc: Add a test of counting larx/stcx
This is based on the count_instructions test.
However this one also counts the number of failed stcx's, and in
conjunction with knowing the size of the stcx loop, can calculate the
total number of instructions executed even in the face of
non-deterministic stcx failures.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200426114410.3917383-1-mpe@ellerman.id.au
Diffstat (limited to 'tools/testing/selftests/powerpc/pmu/Makefile')
| -rw-r--r-- | tools/testing/selftests/powerpc/pmu/Makefile | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/testing/selftests/powerpc/pmu/Makefile b/tools/testing/selftests/powerpc/pmu/Makefile index 19046db995fe..904672fb78dd 100644 --- a/tools/testing/selftests/powerpc/pmu/Makefile +++ b/tools/testing/selftests/powerpc/pmu/Makefile @@ -2,7 +2,7 @@ noarg: $(MAKE) -C ../ -TEST_GEN_PROGS := count_instructions l3_bank_test per_event_excludes +TEST_GEN_PROGS := count_instructions count_stcx_fail l3_bank_test per_event_excludes EXTRA_SOURCES := ../harness.c event.c lib.c ../utils.c top_srcdir = ../../../../.. @@ -13,8 +13,12 @@ all: $(TEST_GEN_PROGS) ebb $(TEST_GEN_PROGS): $(EXTRA_SOURCES) # loop.S can only be built 64-bit +$(OUTPUT)/count_instructions: CFLAGS += -m64 $(OUTPUT)/count_instructions: loop.S count_instructions.c $(EXTRA_SOURCES) - $(CC) $(CFLAGS) -m64 -o $@ $^ + +$(OUTPUT)/count_stcx_fail: CFLAGS += -m64 +$(OUTPUT)/count_stcx_fail: loop.S $(EXTRA_SOURCES) + $(OUTPUT)/per_event_excludes: ../utils.c |