profile.h: added PROF_COUNTER C++ class

include/profile.h

@@ -37,6 +37,9 @@
 #include <iomanip>
 #include <wx/log.h>
 
+#include <cstdio>
+#include <string>
+
 /**
  * The class PROF_COUNTER is a small class to help profiling.
  * It allows the calculation of the elapsed time (in millisecondes) between
@@ -151,4 +154,41 @@ private:
  */
 unsigned GetRunningMicroSecs();
 
+class PROF_COUNTER
+{
+public:
+    PROF_COUNTER(const std::string& name, bool autostart = true)
+  {
+    m_name = name;
+    m_running= false;
+    if(autostart)
+      start();
+  }
+
+  void start()
+  {
+    m_running = true;
+    prof_start(&m_cnt);
+  }
+
+  void stop()
+  {
+    if(!m_running)
+    return;
+    m_running=false;
+    prof_end(&m_cnt);
+  }
+
+  void show()
+  {
+    stop();
+    fprintf(stderr,"%s took %.1f milliseconds.\n", m_name.c_str(), (double)m_cnt.msecs());
+  }
+private:
+  std::string m_name;
+  prof_counter m_cnt;
+  bool m_running;
+};
+
+
 #endif