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Commit 543d976f authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
Browse files

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: default avatarIngo Molnar <mingo@kernel.org>
Signed-off-by: default avatarAdrian 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 0104fe69

tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c

+3 −1
Original line number Diff line number Diff line 
#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;