evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

perf tools: Initialize cpu set in pthread_attr_setaffinity_np feature test

Browse source 
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>
This commit is contained in:
Adrian Hunter 2015-03-02 09:59:05 +02:00 • committed by Arnaldo Carvalho de Melo
parent 0104fe69e0
commit 543d976fa2
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c
View file

@ -1,5 +1,6 @@
#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)
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;