@@ -26,6 +26,7 @@ static bool test_stop;
static const char commands_string[] =
" -n = number of threads\n"
" -m = use mutexes instead of atomic increments\n"
+ " -p = enable sync profiler\n"
" -d = duration in seconds\n"
" -r = range (will be rounded up to pow2)";
@@ -143,7 +144,7 @@ static void parse_args(int argc, char *argv[])
int c;
for (;;) {
- c = getopt(argc, argv, "hd:n:mr:");
+ c = getopt(argc, argv, "hd:n:mpr:");
if (c < 0) {
break;
}
@@ -160,6 +161,9 @@ static void parse_args(int argc, char *argv[])
case 'm':
use_mutex = true;
break;
+ case 'p':
+ qsp_enable();
+ break;
case 'r':
range = pow2ceil(atoi(optarg));
break;
When used together with -m, this allows us to benchmark the profiler's performance impact on qemu_mutex_lock. Signed-off-by: Emilio G. Cota <cota@braap.org> --- tests/atomic_add-bench.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)