diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index ae3cbf1954..93e8e98656 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1970,6 +1970,32 @@ sys_getandroidapilevel_impl(PyObject *module)
 }
 #endif   /* ANDROID_API_LEVEL */
 
+static PyObject *
+test_bench(PyObject *self, PyObject *args)
+{
+    PyObject *func, *arg;
+    Py_ssize_t nloops;
+    _PyTime_t t1, t2;
+    if (!PyArg_ParseTuple(args, "nOO", &nloops, &func, &arg)) {
+        return NULL;
+    }
+
+    t1 = _PyTime_GetPerfCounter();
+    for (size_t i=0; i<(size_t)nloops; i++) {
+        PyObject *res = PyObject_CallOneArg(func, arg);
+        if (res == NULL) {
+            return res;
+        }
+        Py_DECREF(res);
+    }
+    t2 = _PyTime_GetPerfCounter();
+
+    double d = _PyTime_AsSecondsDouble(t2 - t1);
+    return PyFloat_FromDouble(d);
+}
+
+
+
 static PyMethodDef sys_methods[] = {
     /* Might as well keep this in alphabetic order */
     SYS_ADDAUDITHOOK_METHODDEF
@@ -2023,6 +2049,7 @@ static PyMethodDef sys_methods[] = {
     SYS_GET_ASYNCGEN_HOOKS_METHODDEF
     SYS_GETANDROIDAPILEVEL_METHODDEF
     SYS_UNRAISABLEHOOK_METHODDEF
+    {"test_bench", test_bench, METH_VARARGS},
     {NULL,              NULL}           /* sentinel */
 };