Commit 9d5cff3d authored by Emilio G. Cota's avatar Emilio G. Cota Committed by Paolo Bonzini
Browse files

tests/atomic_add-bench: add -p to enable sync profiler 



When used together with -m, this allows us to benchmark the
profiler's performance impact on qemu_mutex_lock.

Signed-off-by: default avatarEmilio G. Cota <cota@braap.org>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent cb764d06

tests/atomic_add-bench.c

+5 −1
Original line number Diff line number Diff line
@@ -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;