From the test source code, it looks like this was designed for both x86_64 and i386
#if HAVE_PERF_EVENT_ATTR && (defined(__x86_64__) || defined(__i386__))
From the test source code, it looks like this was designed for both x86_64 and i386
#if HAVE_PERF_ EVENT_ATTR && (defined( __x86_64_ _) || defined(__i386__))