FIXME add runtime measurement test

1 files changed, 68 insertions, 1 deletions

diff --git a/testsuites/libtests/ttest02/init.c b/testsuites/libtests/ttest02/init.c
index 7f972aec7e..01b9e8dd68 100644
--- a/testsuites/libtests/ttest02/init.c
+++ b/testsuites/libtests/ttest02/init.c
@@ -36,6 +36,73 @@
 
 #include <rtems.h>
 
+typedef struct {
+	T_ticks delta;
+} clock_context;
+
+static void
+body(void *arg)
+{
+	clock_context *ctx;
+	T_ticks t0;
+	T_ticks t1;
+	rtems_interval tic;
+	rtems_interval toc;
+
+	ctx = arg;
+
+	do {
+		t0 = T_tick();
+		tic = rtems_clock_get_ticks_since_boot();
+		printk("x");
+		toc = rtems_clock_get_ticks_since_boot();
+		t1 = T_tick();
+	} while (tic == toc);
+
+	ctx->delta = t1 - t0;
+}
+
+static bool
+teardown(void *arg, T_ticks *delta, uint32_t tic, uint32_t toc,
+    unsigned int retry)
+{
+	clock_context *ctx;
+
+	(void)tic;
+	(void)toc;
+	(void)retry;
+	ctx = arg;
+	*delta = ctx->delta;
+	return true;
+}
+
+T_TEST_CASE(ClockTick)
+{
+	static const T_measure_runtime_config config = {
+		.sample_count = 100
+	};
+	int flags;
+	clock_context cctx;
+	T_measure_runtime_context *rctx;
+	T_measure_runtime_request req;
+
+	rctx = T_measure_runtime_create(&config);
+	T_assert_not_null(rctx);
+
+	flags = T_MEASURE_RUNTIME_DISABLE_FULL_CACHE |
+	    T_MEASURE_RUNTIME_DISABLE_HOT_CACHE |
+	    T_MEASURE_RUNTIME_DISABLE_MINOR_LOAD |
+	    T_MEASURE_RUNTIME_REPORT_SAMPLES;
+
+	memset(&req, 0, sizeof(req));
+	req.name = "ClockTick";
+	req.flags = flags;
+	req.body = body;
+	req.teardown = teardown;
+	req.arg = &cctx;
+	T_measure_runtime(rctx, &req);
+}
+
 static void
 prepare(void *arg)
 {
@@ -286,7 +353,7 @@ Init(rtems_task_argument argument)
 
 #define CONFIGURE_MICROSECONDS_PER_TICK 1000
 
-#define CONFIGURE_MAXIMUM_TASKS 1
+#define CONFIGURE_MAXIMUM_TASKS 2
 
 #define CONFIGURE_RTEMS_INIT_TASKS_TABLE