feat add profiling

3party/cppuprofile/lib/igpumonitor.h

@@ -0,0 +1,44 @@
+// Software Name : cppuprofile
+// SPDX-FileCopyrightText: Copyright (c) 2023 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 IGPUMONITOR_H_
+#define IGPUMONITOR_H_
+
+namespace uprofile
+{
+
+/**
+ * Interface to implement for monitoring GPU usage and memory
+ *
+ * No generic abstraction of GPU metrics exists
+ * on Linux nor Windows. So specific IGPUMonitor class should
+ * be defined to retrieve metrics from GPU vendor (Nvidia, AMD, Broadcom
+ * for RPI...)
+ */
+class IGPUMonitor
+{
+public:
+    virtual ~IGPUMonitor() {}
+
+    // Start monitoring
+    virtual void start(int period) = 0;
+    // Stop monitoring
+    virtual void stop() = 0;
+    // Return if monitor is currently watching data
+    virtual bool watching() const = 0;
+
+    // Usage should be in percentage
+    virtual float getUsage() const = 0;
+    // usedMem and totalMem should be returned as KiB
+    virtual void getMemory(int& usedMem, int& totalMem) const = 0;
+};
+
+}
+
+#endif /* IGPUMONITOR_H_ */