diff --git a/base/logging.cpp b/base/logging.cpp
index e5c4da0d9d..d13e0d491e 100644
--- a/base/logging.cpp
+++ b/base/logging.cpp
@@ -3,6 +3,7 @@
 #include "macros.hpp"
 #include "timer.hpp"
 #include "../std/iostream.hpp"
+#include "../std/iomanip.hpp"
 
 namespace my
 {
@@ -36,7 +37,7 @@ namespace my
     else
       std::cerr << level;
     int64_t const milliseconds = static_cast<int64_t>(s_Timer.ElapsedSeconds() * 1000 + 0.5);
-    std::cerr << " " << milliseconds / 1000 << "." << (milliseconds % 1000);
+    std::cerr << " " << std::setw(3) << milliseconds / 1000 << "." << std::setw(4) << std::setiosflags(std::ios::left) << (milliseconds % 1000) << std::resetiosflags(std::ios::left);
     std::cerr << " " << srcPoint.FileName() << ":" << srcPoint.Line() << " " << srcPoint.Function()
         << "() " << msg << endl;
 
@@ -44,7 +45,12 @@ namespace my
   }
 #endif
 
-  void (*LogMessage)(LogLevel, SrcPoint const &, string const &) = &LogMessageDefault;
+  LogMessageFn LogMessage = &LogMessageDefault;
+
+  void SetLogMessageFn(LogMessageFn fn)
+  {
+    LogMessage = fn;
+  };
 
 #ifdef DEBUG
   LogLevel g_LogLevel = LDEBUG;
diff --git a/base/logging.hpp b/base/logging.hpp
index a6df87cf4a..18d9644b05 100644
--- a/base/logging.hpp
+++ b/base/logging.hpp
@@ -14,8 +14,12 @@ namespace my
     LCRITICAL
   };
 
-  extern void (*LogMessage)(LogLevel level, SrcPoint const &, string const &);
+  typedef void (*LogMessageFn)(LogLevel level, SrcPoint const &, string const &);
+
+  extern LogMessageFn LogMessage;
   extern LogLevel g_LogLevel;
+
+  void SetLogMessageFn(LogMessageFn fn);
 }
 
 using ::my::LDEBUG;
diff --git a/iphone/Maps/Platform/IPhonePlatform.hpp b/iphone/Maps/Platform/IPhonePlatform.hpp
index 091cc21922..1b8e45b8ad 100644
--- a/iphone/Maps/Platform/IPhonePlatform.hpp
+++ b/iphone/Maps/Platform/IPhonePlatform.hpp
@@ -22,6 +22,7 @@ public:
 	virtual double PeriodicalUpdateInterval() const;
 	virtual vector<string> GetFontNames() const;
 	virtual bool IsBenchmarking() const;
+	virtual bool IsVisualLog() const;
   virtual string const DeviceID() const;
 	
 private:
diff --git a/iphone/Maps/Platform/IPhonePlatform.mm b/iphone/Maps/Platform/IPhonePlatform.mm
index 4f7544cb2d..1dc0e6f052 100644
--- a/iphone/Maps/Platform/IPhonePlatform.mm
+++ b/iphone/Maps/Platform/IPhonePlatform.mm
@@ -188,12 +188,17 @@ vector<string> IPhonePlatform::GetFontNames() const
 	
 	return res;
 }
-
+	
 bool IPhonePlatform::IsBenchmarking() const
 {
 	return false;
 }
 
+bool IPhonePlatform::IsVisualLog() const
+{
+	return false;
+}
+
 string const IPhonePlatform::DeviceID() const
 {
 	return m_deviceID;
diff --git a/map/framework.hpp b/map/framework.hpp
index 7d26f1350e..746a34070e 100644
--- a/map/framework.hpp
+++ b/map/framework.hpp
@@ -189,6 +189,8 @@ public:
     m_informationDisplay.enableDebugInfo(true);
 #endif
 
+    m_informationDisplay.enableLog(GetPlatform().IsVisualLog(), m_windowHandle.get());
+
     m_informationDisplay.enableBenchmarkInfo(m_isBenchmarking);
 
     m_informationDisplay.setVisualScale(GetPlatform().VisualScale());
diff --git a/map/information_display.cpp b/map/information_display.cpp
index 2e8d296df3..3e41263026 100644
--- a/map/information_display.cpp
+++ b/map/information_display.cpp
@@ -12,6 +12,7 @@
 
 #include "../base/string_utils.hpp"
 #include "../base/logging.hpp"
+#include "../base/mutex.hpp"
 
 InformationDisplay::InformationDisplay()
   : m_headingOrientation(-math::pi / 2)
@@ -402,6 +403,75 @@ void InformationDisplay::drawMemoryWarning(DrawerYG * drawer)
     enableMemoryWarning(false);
 }
 
+bool InformationDisplay::s_isLogEnabled = false;
+list<string> InformationDisplay::s_log;
+size_t InformationDisplay::s_logSize = 10;
+my::LogMessageFn InformationDisplay::s_oldLogFn = 0;
+threads::Mutex s_logMutex;
+WindowHandle * InformationDisplay::s_windowHandle = 0;
+
+void InformationDisplay::logMessage(my::LogLevel level, my::SrcPoint const & srcPoint, string const & msg)
+{
+  {
+    threads::MutexGuard guard(s_logMutex);
+    ostringstream out;
+    char const * names[] = { "DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL" };
+    out << "LOG ";
+    if (level >= 0 && level <= static_cast<int>(ARRAY_SIZE(names)))
+      out << names[level];
+    else
+      out << level;
+//    out << " " << srcPoint.FileName() << ":" << srcPoint.Line() << " " << srcPoint.Function()
+//        << "() " << msg << endl;
+    out << msg << endl;
+    s_log.push_back(out.str());
+    while (s_log.size() > s_logSize)
+      s_log.pop_front();
+  }
+
+  /// call redisplay
+  s_windowHandle->invalidate();
+}
+
+void InformationDisplay::enableLog(bool doEnable, WindowHandle * windowHandle)
+{
+  if (doEnable == s_isLogEnabled)
+    return;
+  s_isLogEnabled = doEnable;
+  if (s_isLogEnabled)
+  {
+    s_oldLogFn = my::LogMessage;
+    my::LogMessage = logMessage;
+    s_windowHandle = windowHandle;
+  }
+  else
+  {
+    my::LogMessage = s_oldLogFn;
+    s_windowHandle = 0;
+  }
+}
+
+void InformationDisplay::drawLog(DrawerYG * pDrawer)
+{
+  threads::MutexGuard guard(s_logMutex);
+
+  for (list<string>::const_iterator it = s_log.begin(); it != s_log.end(); ++it)
+  {
+    m_yOffset += 20;
+    pDrawer->screen()->drawText(
+        m2::PointD(m_displayRect.minX() + 10, m_displayRect.minY() + m_yOffset),
+        0, 10,
+        yg::Color(0, 0, 0, 255),
+        it->c_str(),
+        true,
+        yg::Color(255, 255, 255, 255),
+        yg::maxDepth,
+        true,
+        false
+        );
+  }
+}
+
 void InformationDisplay::enableBenchmarkInfo(bool doEnable)
 {
   m_isBenchmarkInfoEnabled = doEnable;
@@ -499,4 +569,6 @@ void InformationDisplay::doDraw(DrawerYG *drawer)
     drawMemoryWarning(drawer);
   if (m_isBenchmarkInfoEnabled)
     drawBenchmarkInfo(drawer);
+  if (s_isLogEnabled)
+    drawLog(drawer);
 }
diff --git a/map/information_display.hpp b/map/information_display.hpp
index 9f4451038c..11655c21b6 100644
--- a/map/information_display.hpp
+++ b/map/information_display.hpp
@@ -1,9 +1,11 @@
 #pragma once
 
+#include "window_handle.hpp"
 #include "../geometry/point2d.hpp"
 #include "../geometry/rect2d.hpp"
 #include "../geometry/screenbase.hpp"
 #include "../base/timer.hpp"
+#include "../base/logging.hpp"
 
 class DrawerYG;
 
@@ -63,6 +65,12 @@ private:
   my::Timer m_lastMemoryWarning;
   bool m_isMemoryWarningEnabled;
 
+  static bool s_isLogEnabled;
+  static my::LogMessageFn s_oldLogFn;
+  static list<string> s_log;
+  static size_t s_logSize;
+  static WindowHandle * s_windowHandle;
+
 public:
 
   InformationDisplay();
@@ -110,4 +118,10 @@ public:
   void drawBenchmarkInfo(DrawerYG * pDrawer);
 
   void doDraw(DrawerYG * drawer);
+
+  void enableLog(bool doEnable, WindowHandle * windowHandle);
+  void setLogSize(size_t logSize);
+  void drawLog(DrawerYG * pDrawer);
+
+  static void logMessage(my::LogLevel, my::SrcPoint const &, string const &);
 };
diff --git a/platform/platform.hpp b/platform/platform.hpp
index 3854eb3799..ef753bb1d5 100644
--- a/platform/platform.hpp
+++ b/platform/platform.hpp
@@ -73,6 +73,8 @@ public:
 
   virtual bool IsBenchmarking() const = 0;
 
+  virtual bool IsVisualLog() const = 0;
+
   virtual string const DeviceID() const = 0;
 };
 
diff --git a/platform/qtplatform.cpp b/platform/qtplatform.cpp
index 37d98e0b31..fb53ece28b 100644
--- a/platform/qtplatform.cpp
+++ b/platform/qtplatform.cpp
@@ -389,6 +389,11 @@ public:
   {
     return "DesktopVersion";
   }
+
+  bool IsVisualLog() const
+  {
+    return false;
+  }
 };
 
 extern "C" Platform & GetPlatform()
diff --git a/yg/area_renderer.cpp b/yg/area_renderer.cpp
index 060edb9a82..a010b286f9 100644
--- a/yg/area_renderer.cpp
+++ b/yg/area_renderer.cpp
@@ -27,7 +27,7 @@ namespace yg
     void AreaRenderer::endFrame()
     {
       if (isDebugging())
-        LOG(LINFO, ("Drawing ", m_areasCount, " areas comprised of ", m_trianglesCount, " triangles total"));
+        LOG(LINFO, ("Drawing ", m_areasCount, " areas, ", m_trianglesCount, " triangles total"));
       base_t::endFrame();
     }
 
diff --git a/yg/geometry_batcher.cpp b/yg/geometry_batcher.cpp
index 69379210cf..aaabfcf45c 100644
--- a/yg/geometry_batcher.cpp
+++ b/yg/geometry_batcher.cpp
@@ -107,6 +107,11 @@ namespace yg
    {
      base_t::beginFrame();
      reset(-1);
+     for (size_t i = 0; i < m_pipelines.size(); ++i)
+     {
+       m_pipelines[i].m_verticesDrawn = 0;
+       m_pipelines[i].m_indicesDrawn = 0;
+     }
    }
 
    void GeometryBatcher::clear(yg::Color const & c, bool clearRT, float depth, bool clearDepth)
@@ -127,6 +132,13 @@ namespace yg
      /// Syncronization point.
      enableClipRect(false);
      OGLCHECK(glFinish());
+
+     if (isDebugging())
+     {
+       for (size_t i = 0; i < m_pipelines.size(); ++i)
+         LOG(LINFO, ("pipeline #", i, " vertices=", m_pipelines[i].m_verticesDrawn, ", triangles=", m_pipelines[i].m_indicesDrawn / 3));
+     }
+
      base_t::endFrame();
    }
 
@@ -174,7 +186,11 @@ namespace yg
 
 
              if (isDebugging())
-               LOG(LINFO, ("Pipeline #", i - 1, "draws ", pipeline.m_currentIndex / 3, "/", pipeline.m_maxIndices / 3," triangles"));
+             {
+               pipeline.m_verticesDrawn += pipeline.m_currentVertex;
+               pipeline.m_indicesDrawn += pipeline.m_currentIndex;
+//               LOG(LINFO, ("Pipeline #", i - 1, "draws ", pipeline.m_currentIndex / 3, "/", pipeline.m_maxIndices / 3," triangles"));
+             }
 
              renderedData = true;
 
diff --git a/yg/geometry_batcher.hpp b/yg/geometry_batcher.hpp
index cffc02a544..824ca4c143 100644
--- a/yg/geometry_batcher.hpp
+++ b/yg/geometry_batcher.hpp
@@ -56,6 +56,9 @@ namespace yg
 
       struct GeometryPipeline
       {
+        size_t m_verticesDrawn;
+        size_t m_indicesDrawn;
+
         size_t m_currentVertex;
         size_t m_currentIndex;
 
diff --git a/yg/path_renderer.cpp b/yg/path_renderer.cpp
index 79ff899356..1164a50578 100644
--- a/yg/path_renderer.cpp
+++ b/yg/path_renderer.cpp
@@ -259,7 +259,7 @@ namespace yg
     void PathRenderer::endFrame()
     {
       if (isDebugging())
-        LOG(LINFO, ("Drawing ", m_pathCount, " pathes comprised of ", m_pointsCount, " points total"));
+        LOG(LINFO, ("Drawing ", m_pathCount, " pathes, ", m_pointsCount, " points total"));
 
       base_t::endFrame();
     }