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Commit 120010cb authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

tools build: Add test for sched_getcpu() 

Instead of trying to go on adding more ifdef conditions, do a feature
test and define HAVE_SCHED_GETCPU_SUPPORT instead, then use it to
provide the prototype. No need to change the stub, as it is already a
__weak symbol.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-yge89er9g90sc0v6k0a0r5tr@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent e3ba76de

tools/build/Makefile.feature

+1 −0
Original line number Diff line number Diff line
@@ -63,6 +63,7 @@ FEATURE_TESTS_BASIC := \ 
        lzma                            \

        get_cpuid                       \

        bpf                             \

        sched_getcpu			\

        sdt



# FEATURE_TESTS_BASIC + FEATURE_TESTS_EXTRA is the complete list

tools/build/feature/Makefile

+5 −1
Original line number Diff line number Diff line
@@ -48,7 +48,8 @@ FILES= \ 
         test-get_cpuid.bin                     \

         test-sdt.bin                           \

         test-cxx.bin                           \

         test-jvmti.bin

         test-jvmti.bin				\

         test-sched_getcpu.bin



FILES := $(addprefix $(OUTPUT),$(FILES))
@@ -91,6 +92,9 @@ $(OUTPUT)test-libelf.bin: 
$(OUTPUT)test-glibc.bin:

	$(BUILD)



$(OUTPUT)test-sched_getcpu.bin:

	$(BUILD)



DWARFLIBS := -ldw

ifeq ($(findstring -static,${LDFLAGS}),-static)

DWARFLIBS += -lelf -lebl -lz -llzma -lbz2

tools/build/feature/test-all.c

+5 −0
Original line number Diff line number Diff line
@@ -117,6 +117,10 @@ 
# include "test-pthread-attr-setaffinity-np.c"

#undef main



#define main main_test_sched_getcpu

# include "test-sched_getcpu.c"

#undef main



# if 0

/*

 * Disable libbabeltrace check for test-all, because the requested
@@ -182,6 +186,7 @@ int main(int argc, char *argv[]) 
	main_test_get_cpuid();

	main_test_bpf();

	main_test_libcrypto();

	main_test_sched_getcpu();

	main_test_sdt();



	return 0;

tools/build/feature/test-sched_getcpu.c

0 → 100644
+7 −0
Original line number Diff line number Diff line 
#define _GNU_SOURCE

#include <sched.h>



int main(void)

{

	return sched_getcpu();

}

tools/perf/Makefile.config

+4 −0
Original line number Diff line number Diff line
@@ -317,6 +317,10 @@ ifdef NO_DWARF 
  NO_LIBDW_DWARF_UNWIND := 1

endif



ifeq ($(feature-sched_getcpu), 1)

  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT

endif



ifndef NO_LIBELF

  CFLAGS += -DHAVE_LIBELF_SUPPORT

  EXTLIBS += -lelf