3 files changed, 80 insertions, 0 deletions
diff --git a/include/gras/CMakeLists.txt b/include/gras/CMakeLists.txt
index 15651c4..301f96a 100644
--- a/include/gras/CMakeLists.txt
+++ b/include/gras/CMakeLists.txt
@@ -3,6 +3,7 @@
 ########################################################################
 install(FILES
 
+    chrono.hpp
     block.hpp
     block.i
     element.hpp
diff --git a/include/gras/chrono.hpp b/include/gras/chrono.hpp
new file mode 100644
index 0000000..c976675
--- /dev/null
+++ b/include/gras/chrono.hpp
@@ -0,0 +1,74 @@
+// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
+
+//Boost chrono has awesome high res timer!
+//But its only in very recent boosts,
+//so we have this little wrapper...
+//now/tps inspired by libnumanuma.
+
+#ifndef INCLUDED_GRAS_CHRONO_HPP
+#define INCLUDED_GRAS_CHRONO_HPP
+
+#include <gras/gras.hpp>
+
+namespace gras
+{
+    typedef long long time_ticks_t;
+
+    //! Get the time now in tick counts
+    time_ticks_t time_now(void);
+
+    //! Get the number of ticks per second
+    time_ticks_t time_tps(void);
+}
+
+//--------------------------------------------------------------------//
+//------------------ implementation details below --------------------//
+//--------------------------------------------------------------------//
+
+#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
+
+#include <windows.h>
+
+namespace gras
+{
+
+    GRAS_FORCE_INLINE time_ticks_t time_now(void)
+    {
+        LARGE_INTEGER counts;
+        QueryPerformanceCounter(&counts);
+        return counts.QuadPart;
+    }
+
+    GRAS_FORCE_INLINE time_ticks_t time_tps(void)
+    {
+        LARGE_INTEGER freq;
+        QueryPerformanceFrequency(&freq);
+        return freq.QuadPart;
+    }
+
+} //namespace gras
+
+#else
+
+#include <ctime>
+
+namespace gras
+{
+
+    GRAS_FORCE_INLINE time_ticks_t time_now(void)
+    {
+        struct timespec ts;
+        clock_gettime(CLOCK_MONOTONIC, &ts);
+        return ts.tv_sec*1000000000UL + ts.tv_nsec;
+    }
+
+    GRAS_FORCE_INLINE time_ticks_t time_tps(void)
+    {
+        return 1000000000UL;
+    }
+
+} //namespace gras
+
+#endif
+
+#endif /*INCLUDED_GRAS_CHRONO_HPP*/
diff --git a/include/gras/top_block.hpp b/include/gras/top_block.hpp
index fadcefa..497f54f 100644
--- a/include/gras/top_block.hpp
+++ b/include/gras/top_block.hpp
@@ -77,6 +77,11 @@ struct GRAS_API TopBlock : HierBlock
      */
     virtual bool wait(const double timeout);
 
+    /*!
+     * Get block usage statistics in XML format.
+     * An external app will visualize the data.
+     */
+    std::string get_stats_xml(void);
 };
 
 } //namespace gras