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

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.comSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 0104fe69
#include <stdint.h> #include <stdint.h>
#include <pthread.h> #include <pthread.h>
#include <sched.h>
int main(void) int main(void)
{ {
...@@ -8,7 +9,8 @@ int main(void) ...@@ -8,7 +9,8 @@ int main(void)
cpu_set_t cs; cpu_set_t cs;
pthread_attr_init(&thread_attr); 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); ret = pthread_attr_setaffinity_np(&thread_attr, sizeof(cs), &cs);
return ret; return ret;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment