1 files changed, 108 insertions, 0 deletions
diff --git a/trunk/TAO/examples/Kokyu_dsrt_schedulers/Task_Stats.h b/trunk/TAO/examples/Kokyu_dsrt_schedulers/Task_Stats.h
new file mode 100644
index 00000000000..f3d7d4a300f
--- /dev/null
+++ b/trunk/TAO/examples/Kokyu_dsrt_schedulers/Task_Stats.h
@@ -0,0 +1,108 @@
+/* -*- C++ -*- */
+//=============================================================================
+/**
+ *  @file Task_Stats.h
+ *
+ *  $Id$
+ *
+ *  Utility Stats class that maintains the readings.
+ *
+ *  @author Pradeep Gore <pradeep@cs.wustl.edu>
+ */
+//=============================================================================
+#ifndef TASK_STATS_H
+#define TASK_STATS_H
+
+#include "ace/OS_NS_time.h"
+#include "ace/Singleton.h"
+#include "tao/orbconf.h"
+#include "tao/debug.h"
+#include "Kokyu_dsrt_schedulers_export.h"
+
+/**
+ * @class Base_Time
+ *
+ * @brief maintains readings recorded by tasks.
+ *
+ */
+class Kokyu_DSRT_Schedulers_Export Base_Time
+{
+ public:
+  Base_Time (void);
+  ACE_hrtime_t base_time_;
+};
+
+typedef ACE_Singleton<Base_Time, TAO_SYNCH_MUTEX> BASE_TIME;
+
+/**
+ * @class Task_Stats
+ *
+ * @brief maintains readings recorded by tasks.
+ *
+ */
+class Kokyu_DSRT_Schedulers_Export Task_Stats
+{
+ public:
+  /// Constructor
+  Task_Stats (void);
+
+  /// Destructor
+  ~Task_Stats (void);
+
+  /// Init
+  int init (size_t max_samples);
+
+  /// Set the base time value.
+  void base_time (ACE_hrtime_t time);
+
+  /// Set the end time value.
+  void end_time (ACE_hrtime_t time);
+
+  /// Record a sample
+  int sample (ACE_UINT32 thr_run_time, int thr_count);
+
+  void dump_samples (const ACE_TCHAR *file_name, const ACE_TCHAR *msg,
+                     ACE_UINT32 scale_factor);
+ protected:
+  void dump_latency_stats (ACE_TCHAR *out_msg, ACE_UINT32 sf);
+
+  /// Base and end times
+  ACE_hrtime_t base_time_;
+  ACE_hrtime_t end_time_;
+
+  /// The maximum number of samples
+  ACE_UINT32 max_samples_;
+
+  /// The number of samples
+  ACE_UINT32 samples_count_;
+
+  /// The samples : the time of execution. and the recorded exec. time .
+  ACE_UINT32 *thr_run_time_;
+  int *thr_count_;
+
+  /// The minimum value
+  ACE_UINT64 exec_time_min_;
+
+  /// The number of the sample that had the minimum value
+  ACE_UINT32 exec_time_min_at_;
+
+  /// The maximum value
+  ACE_UINT64 exec_time_max_;
+
+  /// The number of the sample that had the maximum value
+  ACE_UINT32 exec_time_max_at_;
+
+  /// The sum of all the values
+  ACE_UINT64 sum_;
+
+  /// The sum of the square of all the values
+  ACE_UINT64 sum2_;
+};
+
+typedef ACE_Singleton<Task_Stats, TAO_SYNCH_MUTEX> TASK_STATS;
+
+#if defined (__ACE_INLINE__)
+#include "Task_Stats.inl"
+#endif /* __ACE_INLINE__ */
+
+#endif /* TASK_STATS_H */