Panda3D
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cacheStats.h
00001 // Filename: cacheStats.h
00002 // Created by:  drose (24Jul07)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef CACHESTATS_H
00016 #define CACHESTATS_H
00017 
00018 #include "pandabase.h"
00019 #include "clockObject.h"
00020 #include "pnotify.h"
00021 
00022 ////////////////////////////////////////////////////////////////////
00023 //       Class : CacheStats
00024 // Description : This is used to track the utilization of the
00025 //               TransformState and RenderState caches, for low-level
00026 //               performance tuning information.
00027 ////////////////////////////////////////////////////////////////////
00028 class EXPCL_PANDA_PGRAPH CacheStats {
00029 public:
00030   void init();
00031   void reset(double now);
00032   void write(ostream &out, const char *name) const;
00033   INLINE void maybe_report(const char *name);
00034 
00035   INLINE void inc_hits();
00036   INLINE void inc_misses();
00037   INLINE void inc_adds(bool is_new);
00038   INLINE void inc_dels();
00039   INLINE void add_total_size(int count);
00040   INLINE void add_num_states(int count);
00041 
00042 private:
00043 #ifndef NDEBUG
00044   int _cache_hits;
00045   int _cache_misses;
00046   int _cache_adds;
00047   int _cache_new_adds;
00048   int _cache_dels;
00049   int _total_cache_size;
00050   int _num_states;
00051   double _last_reset;
00052 
00053   bool _cache_report;
00054   double _cache_report_interval;
00055 #endif  // NDEBUG
00056 };
00057 
00058 #include "cacheStats.I"
00059 
00060 #endif
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