feat add profiling

3party/cppuprofile/lib/timestampunit.h

@@ -0,0 +1,23 @@
+// Software Name : cppuprofile
+// SPDX-FileCopyrightText: Copyright (c) 2022 Orange
+// SPDX-License-Identifier: BSD-3-Clause
+//
+// This software is distributed under the BSD License;
+// see the LICENSE file for more details.
+//
+// Author: Cédric CHEDALEUX <cedric.chedaleux@orange.com> et al.
+
+#ifndef TIMESTAMP_UNIT_H_
+#define TIMESTAMP_UNIT_H_
+
+namespace uprofile
+{
+
+enum class TimestampUnit {
+    EPOCH_TIME, // Time since epoch
+    UPTIME      // Time since boot
+};
+
+}
+
+#endif /* TIMESTAMP_UNIT_H_ */