first commit

project/fm_viewer/fav/fav_profile.h

@@ -0,0 +1,38 @@
+
+#ifndef FAVPROFILE_H
+#define FAVPROFILE_H
+#if (PROFILE_BUILD)
+
+#include <QObject>
+#include <QElapsedTimer>
+
+class FAVProfile : public QObject
+{
+    Q_OBJECT
+public:
+    static FAVProfile* instance()
+    {
+        static FAVProfile * _instance = 0;
+        if ( _instance == NULL ) {
+            _instance = new FAVProfile();
+        }
+        return _instance;
+    }
+    static qint64 elapsed(QString msg);
+    static void restart(QString msg);
+    static qint64 elapsed() {
+        return instance()->_timer.elapsed();
+    }
+    static void lapStart() {
+        instance()->_lastLap = FAVProfile::elapsed();
+    }
+    static void lapEnd(QString msg);
+private:
+    QElapsedTimer _timer;
+    qint64 _lastLap;
+    explicit FAVProfile(QObject *parent = nullptr);
+signals:
+};
+
+#endif // PROFILE_BUILD
+#endif // FAVPROFILE_H