On Sat, Jan 10, 2015 at 04:40:54PM +0530, Vineet Gupta wrote:
SNIP
> @@ -198,6 +198,7 @@ CORE_FEATURE_TESTS = \
> libpython-version \
> libslang \
> libunwind \
> + pthread-attr-setaffinity-np \
> stackprotector-all \
> timerfd \
> libdw-dwarf-unwind \
> @@ -226,6 +227,7 @@ VF_FEATURE_TESTS = \
> libelf-getphdrnum \
> libelf-mmap \
> libpython-version \
> + pthread-attr-setaffinity-np \
> stackprotector-all \
> timerfd \
> libunwind-debug-frame \
> @@ -301,6 +303,10 @@ ifeq ($(feature-sync-compare-and-swap), 1)
> CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
> endif
>
> +ifeq ($(feature-pthread-attr-setaffinity-np), 1)
> + CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
> +endif
> +
> ifndef NO_BIONIC
> $(call feature_check,bionic)
> ifeq ($(feature-bionic), 1)
> diff --git a/tools/perf/config/feature-checks/Makefile
> b/tools/perf/config/feature-checks/Makefile
> index 53f19b5dbc37..e9b99bb29348 100644
> --- a/tools/perf/config/feature-checks/Makefile
> +++ b/tools/perf/config/feature-checks/Makefile
> @@ -25,6 +25,7 @@ FILES= \
> test-libslang.bin \
> test-libunwind.bin \
> test-libunwind-debug-frame.bin \
> + test-pthread-attr-setaffinity-np.bin \
> test-stackprotector-all.bin \
> test-timerfd.bin \
> test-libdw-dwarf-unwind.bin \
> @@ -47,6 +48,9 @@ test-all.bin:
> test-hello.bin:
> $(BUILD)
>
> +test-pthread-attr-setaffinity-np.bin:
> + $(BUILD) -Werror
this does not works for me unless I add -lpthread (check patch below)
is it possible you pushed that through LDFLAGS?
otherwise I'm getting following error:
---
In file included from bench/futex-hash.c:17:0:
bench/futex.h:73:19: error: conflicting types for
‘pthread_attr_setaffinity_np’
static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr,
^
In file included from bench/futex.h:72:0,
from bench/futex-hash.c:17:
/usr/include/pthread.h:407:12: note: previous declaration of
‘pthread_attr_setaffinity_np’ was here
extern int pthread_attr_setaffinity_np (pthread_attr_t *__attr,
^
make[1]: *** [bench/futex-hash.o] Error 1
make[1]: *** Waiting for unfinished jobs....
In file included from bench/futex-wake.c:17:0:
bench/futex.h:73:19: error: conflicting types for
‘pthread_attr_setaffinity_np’
static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr,
^
In file included from bench/futex.h:72:0,
from bench/futex-wake.c:17:
/usr/include/pthread.h:407:12: note: previous declaration of
‘pthread_attr_setaffinity_np’ was here
extern int pthread_attr_setaffinity_np (pthread_attr_t *__attr,
^
make[1]: *** [bench/futex-wake.o] Error 1
In file included from bench/futex-requeue.c:17:0:
bench/futex.h:73:19: error: conflicting types for
‘pthread_attr_setaffinity_np’
static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr,
^
In file included from bench/futex.h:72:0,
from bench/futex-requeue.c:17:
/usr/include/pthread.h:407:12: note: previous declaration of
‘pthread_attr_setaffinity_np’ was here
extern int pthread_attr_setaffinity_np (pthread_attr_t *__attr,
^
make[1]: *** [bench/futex-requeue.o] Error 1
make: *** [all] Error 2
---
my system is x86_64 on F20
thanks,
jirka
diff --git a/tools/perf/config/feature-checks/Makefile
b/tools/perf/config/feature-checks/Makefile
index e9b99bb29348..42ac05aaf8ac 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -49,7 +49,7 @@ test-hello.bin:
$(BUILD)
test-pthread-attr-setaffinity-np.bin:
- $(BUILD) -Werror
+ $(BUILD) -Werror -lpthread
test-stackprotector-all.bin:
$(BUILD) -Werror -fstack-protector-all
--
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