1 files changed, 101 insertions, 0 deletions
diff --git a/TAO/orbsvcs/tests/Notify/lib/Task_Stats.h b/TAO/orbsvcs/tests/Notify/lib/Task_Stats.h
new file mode 100644
index 00000000000..cc4d7190887
--- /dev/null
+++ b/TAO/orbsvcs/tests/Notify/lib/Task_Stats.h
@@ -0,0 +1,101 @@
+/* -*- 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 "notify_test_export.h"
+
+/**
+ * @class Base_Time
+ *
+ * @brief maintains readings recorded by tasks.
+ *
+ */
+class TAO_NOTIFY_TEST_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 TAO_NOTIFY_TEST_Export Task_Stats
+{
+ public:
+  /// Constructor
+  Task_Stats (void);
+
+  /// Destructor
+  ~Task_Stats (void);
+
+  /// Useful Global Scale Factor
+  static ACE_UINT32 gsf_;
+
+  /// Init
+  int init (size_t max_samples);
+
+  /// Useful helper to calculate diff in sec.
+  static double diff_sec (ACE_UINT64 before, ACE_UINT64 after);
+
+  /// Useful helper to calculate diff in usec.
+  static ACE_UINT32 diff_usec (ACE_UINT64 before, ACE_UINT64 after);
+
+  /// Set the base time value.
+  void base_time (ACE_UINT64 time);
+
+  /// Set the end time value.
+  void end_time (ACE_UINT64 time);
+
+  /// Record a sample
+  int sample (ACE_UINT64 inv_start_time, ACE_UINT64 inv_end_time);
+
+  void dump_samples (const ACE_TCHAR *file_name, const ACE_TCHAR *msg, int dump_samples);
+
+ protected:
+  /// Base and end times
+  ACE_UINT64 base_time_;
+  ACE_UINT64 end_time_;
+
+  /// The maximum number of samples
+  ACE_UINT32 max_samples_;
+
+  /// The number of samples
+  ACE_UINT32 samples_count_;
+
+  /// The samples : the time of invocation. and the recorded exec. time .
+  ACE_UINT64 *time_inv_;
+  ACE_UINT64 *time_exec_;
+
+  /// The mean of the data set.
+  ACE_UINT64 mean_;
+
+  /// The Var^2 of the data set.
+  ACE_UINT64 var_2_;
+};
+
+#if defined (__ACE_INLINE__)
+#include "Task_Stats.inl"
+#endif /* __ACE_INLINE__ */
+
+#endif /* TASK_STATS_H */