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// $Id$
#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 =
#if defined ACE_LACKS_LONGLONG_T
ACE_static_cast (ACE_U_LongLong,
this->sum2_ / this->samples_count_)
- avg * ACE_U64_TO_U32(avg);
#else /* ! ACE_LACKS_LONGLONG_T */
this->sum2_ / this->samples_count_ - avg * avg;
#endif /* ! ACE_LACKS_LONGLONG_T */
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));
}
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