Initial Comit

common/profiler.hpp

@@ -0,0 +1,46 @@
+#ifndef _COMMON_PROFILER_HPP_
+#define _COMMON_PROFILER_HPP_
+#include <chrono>
+
+class Profiler
+{
+  public:
+    Profiler();
+    virtual ~Profiler();
+    void start(void);
+    long end(void);
+    long elapsed(void);
+  private:
+    std::chrono::_V2::system_clock::time_point start_time = std::chrono::high_resolution_clock::now();
+};
+
+inline
+Profiler::Profiler()
+{
+}
+
+inline
+Profiler::~Profiler()
+{
+}
+
+inline
+void Profiler::start(void)
+{
+  start_time = std::chrono::high_resolution_clock::now();
+}
+
+inline
+long Profiler::end(void)
+{
+  std::chrono::_V2::system_clock::time_point end_time = std::chrono::high_resolution_clock::now();
+  long elapsed_time_ms = std::chrono::duration_cast<std::chrono::milliseconds>(end_time - start_time).count();
+  return elapsed_time_ms;
+}
+
+inline
+long Profiler::elapsed(void)
+{
+  return end();
+}
+#endif