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| author | Adrian Hunter <adrian.hunter@intel.com> | 2015-03-02 09:59:05 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-03-02 12:48:16 -0300 |
| commit | 543d976fa2ebf5543bd07b5d487bf3a6144c0886 (patch) | |
| tree | 634bb3deae3e158031a9cf159b73a6efea67c184 | |
| parent | 0104fe69e0287cf3635657b4c6b26a18e0091697 (diff) | |
perf tools: Initialize cpu set in pthread_attr_setaffinity_np feature test
Feature tests are compiled but not executed, however it might avoid a
future uninitialized variable warning, so initialize the cpu set.
Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-tip-commits@vger.kernel.org
Link: http://lkml.kernel.org/r/54F41849.1010906@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c b/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c index 2b81b72eca23..fdada5e8d454 100644 --- a/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c +++ b/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c @@ -1,5 +1,6 @@ #include <stdint.h> #include <pthread.h> +#include <sched.h> int main(void) { @@ -8,7 +9,8 @@ int main(void) cpu_set_t cs; pthread_attr_init(&thread_attr); - /* don't care abt exact args, just the API itself in libpthread */ + CPU_ZERO(&cs); + ret = pthread_attr_setaffinity_np(&thread_attr, sizeof(cs), &cs); return ret; |