From 8cb74a82187abc67089ec63975ba6e4340a92348 Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Thu, 20 Feb 2020 17:47:33 +1100
Subject: [PATCH] functiontimer: created convenience class to help when
 profiling functions

---
 app/common/CMakeLists.txt  |  1 +
 app/common/functiontimer.h | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 app/common/functiontimer.h

diff --git a/app/common/CMakeLists.txt b/app/common/CMakeLists.txt
index 1d123450b..743df6778 100644
--- a/app/common/CMakeLists.txt
+++ b/app/common/CMakeLists.txt
@@ -29,6 +29,7 @@ set(OLIVE_SOURCES
   common/filefunctions.cpp
   common/flipmodifiers.h
   common/flipmodifiers.cpp
+  common/functiontimer.h
   common/lerp.h
   common/qtutils.h
   common/qtutils.cpp
diff --git a/app/common/functiontimer.h b/app/common/functiontimer.h
new file mode 100644
index 000000000..119aecd1d
--- /dev/null
+++ b/app/common/functiontimer.h
@@ -0,0 +1,33 @@
+#ifndef FUNCTIONTIMER_H
+#define FUNCTIONTIMER_H
+
+#include <QDateTime>
+#include <QDebug>
+
+#define TIME_THIS_FUNCTION FunctionTimer __f(__FUNCTION__)
+
+class FunctionTimer {
+public:
+  FunctionTimer(const char* s)
+  {
+    name_ = s;
+    time_ = QDateTime::currentMSecsSinceEpoch();
+  }
+
+  ~FunctionTimer()
+  {
+    qint64 elapsed = (QDateTime::currentMSecsSinceEpoch() - time_);
+
+    if (elapsed > 1) {
+      qDebug() << name_ << "took" << elapsed;
+    }
+  }
+
+private:
+  const char* name_;
+
+  qint64 time_;
+
+};
+
+#endif // FUNCTIONTIMER_H