ChangeLogTag:Fri Oct 27 15:02:56 2000 Carlos O'Ryan <coryan@uci.edu>

1 files changed, 66 insertions, 0 deletions

diff --git a/ace/Basic_Stats.cpp b/ace/Basic_Stats.cpp
new file mode 100644
index 00000000000..c363713f3f3
--- /dev/null
+++ b/ace/Basic_Stats.cpp
@@ -0,0 +1,66 @@
+// $Id$
+
+#include "ace/Basic_Stats.h"
+#include "ace/Log_Msg.h"
+
+#if !defined (__ACE_INLINE__)
+#include "ace/Basic_Stats.inl"
+#endif /* __ACE_INLINE__ */
+
+ACE_RCSID(ace, Basic_Stats, "$Id$")
+
+void
+ACE_Basic_Stats::accumulate (const ACE_Basic_Stats &rhs)
+{
+  if (rhs.samples_count_ == 0)
+    return;
+
+  if (this->samples_count_ == 0)
+    {
+      this->samples_count_ = rhs.samples_count_;
+
+      this->min_  = rhs.min_;
+      this->max_  = rhs.max_;
+      this->sum_  = rhs.sum_;
+      this->sum2_ = rhs.sum2_;
+
+      return;
+    }
+  this->samples_count_ += rhs.samples_count_;
+
+  if (this->min_ > rhs.min_)
+    this->min_ = rhs.min_;
+  if (this->max_ < rhs.max_)
+    this->max_ = rhs.max_;
+
+  this->sum_  += rhs.sum_;
+  this->sum2_ += rhs.sum2_;
+}
+
+void
+ACE_Basic_Stats::dump_results (const ACE_TCHAR *msg,
+                               ACE_UINT32 sf) const
+{
+  if (this->samples_count () == 0u)
+    {
+      ACE_DEBUG ((LM_DEBUG,
+                  ACE_LIB_TEXT ("%s : no data collected\n"), msg));
+      return;
+    }
+
+  ACE_UINT64 avg = this->sum_ / this->samples_count_;
+  ACE_UINT64 dev = this->sum2_ / this->samples_count_ - avg * avg;
+
+  double l_min = ACE_CU64_TO_CU32 (this->min_) / sf;
+  double l_max = ACE_CU64_TO_CU32 (this->max_) / sf;
+  double l_avg = ACE_CU64_TO_CU32 (avg) / sf;
+  double l_dev = ACE_CU64_TO_CU32 (dev) / (sf * sf);
+
+  ACE_DEBUG ((LM_DEBUG,
+              ACE_LIB_TEXT ("%s latency   : %.2f[%d]/%.2f/%.2f[%d]/%.2f (min/avg/max/var^2)\n"),
+              msg,
+              l_min, this->min_at_,
+              l_avg,
+              l_max, this->max_at_,
+              l_dev));
+}