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//$Id$
#include "Task_Stats.h"
#include "ace/OS.h"
#include "ace/Log_Msg.h"
#if !defined (__ACE_INLINE__)
#include "Task_Stats.inl"
#endif /* __ACE_INLINE__ */
Base_Time::Base_Time (void)
{
base_time_ = ACE_OS::gethrtime ();
}
Task_Stats::Task_Stats (void)
: base_time_(0),
end_time_ (0),
max_samples_ (0),
samples_count_ (0),
time_inv_ (0),
time_exec_ (0),
exec_time_min_ (0),
exec_time_min_at_ (0),
exec_time_max_ (0),
exec_time_max_at_(0),
sum_ (0),
sum2_ (0)
{
}
Task_Stats::~Task_Stats (void)
{
delete[] this->time_inv_;
delete[] this->time_exec_;
}
int
Task_Stats::init (size_t max_samples)
{
this->max_samples_ = max_samples;
ACE_NEW_RETURN (this->time_inv_, ACE_UINT64[this->max_samples_], -1);
ACE_NEW_RETURN (this->time_exec_, ACE_UINT64[this->max_samples_], -1);
return 0;
}
void
Task_Stats::base_time (ACE_hrtime_t time)
{
base_time_ = time;
}
void
Task_Stats::end_time (ACE_hrtime_t time)
{
end_time_ = time;
}
void
Task_Stats::dump_samples (const ACE_TCHAR *file_name, const ACE_TCHAR *msg,
ACE_UINT32 scale_factor)
{
FILE* output_file = ACE_OS::fopen (file_name, "w");
// first dump what the caller has to say.
ACE_OS::fprintf (output_file, "%s\n",msg);
// next, compose and dump what we want to say.
// calc throughput.
ACE_TCHAR out_msg[BUFSIZ];
ACE_hrtime_t elapsed_microseconds = (end_time_ - base_time_) / scale_factor;
double elapsed_seconds =
ACE_CU64_TO_CU32(elapsed_microseconds) / 1000000.0;
double throughput =
double(samples_count_) / elapsed_seconds;
ACE_OS::sprintf (out_msg, "#Throughtput: %f\n", throughput);
ACE_OS::fprintf (output_file, "%s\n",out_msg);
// dump latency stats.
this->dump_latency_stats (out_msg, scale_factor);
ACE_OS::fprintf (output_file, "%s\n",out_msg);
ACE_OS::fprintf (output_file, "#Invocation time \t Execution time\n");
// dump the samples recorded.
for (size_t i = 0; i != this->samples_count_; ++i)
{
ACE_UINT64 x = this->time_inv_[i] / scale_factor;
ACE_UINT32 val_1 = ACE_CU64_TO_CU32 (x);
ACE_UINT64 y = this->time_exec_[i] / scale_factor;
ACE_UINT32 val_2 = ACE_CU64_TO_CU32 (y);
ACE_OS::fprintf (output_file, "%u \t %u\n",val_1, val_2);
}
ACE_OS::fclose (output_file);
}
void
Task_Stats::dump_latency_stats (ACE_TCHAR *out_msg, ACE_UINT32 sf)
{
if (this->samples_count_ == 0u)
{
ACE_OS::sprintf (out_msg,
ACE_LIB_TEXT ("# no data collected\n"));
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 */
ACE_UINT64 l_min_ = this->exec_time_min_ / sf;
ACE_UINT32 l_min = ACE_CU64_TO_CU32 (l_min_);
ACE_UINT64 l_max_ = this->exec_time_max_ / sf;
ACE_UINT32 l_max = ACE_CU64_TO_CU32 (l_max_);
/*
ACE_UINT64 l_avg_ = avg / sf;
ACE_UINT32 l_avg = ACE_CU64_TO_CU32 (l_avg_);
ACE_UINT64 l_dev_ = dev / sf;
ACE_UINT32 l_dev = ACE_CU64_TO_CU32 (l_dev_);
*/
double l_avg = ACE_CU64_TO_CU32 (avg) / sf;
double l_dev = ACE_CU64_TO_CU32 (dev) / (sf * sf);
ACE_UINT64 tmin_ = this->time_inv_[0] / sf;
ACE_UINT32 tmin = ACE_CU64_TO_CU32 (tmin_);
ACE_UINT64 tmax_ = this->time_inv_[samples_count_-1] / sf;
ACE_UINT32 tmax = ACE_CU64_TO_CU32 (tmax_);
ACE_OS::sprintf(out_msg,
ACE_LIB_TEXT ("#latency : %u[%d]/%.2f/%u[%d]/%.2f (min/avg/max/var^2)\n #first invocation time = %u, last invocation time = %u\n"),
l_min, this->exec_time_min_at_,
l_avg,
l_max, this->exec_time_max_at_,
l_dev,
tmin,tmax);
/*
double l_min = ACE_CU64_TO_CU32 (this->exec_time_min_) / sf;
double l_max = ACE_CU64_TO_CU32 (this->exec_time_max_) / sf;
double l_avg = ACE_CU64_TO_CU32 (avg) / sf;
double l_dev = ACE_CU64_TO_CU32 (dev) / (sf * sf);
double tmin = ACE_CU64_TO_CU32 (this->time_inv_[0])/sf;
double tmax = ACE_CU64_TO_CU32 (this->time_inv_[samples_count_-1])/sf;
ACE_OS::sprintf(out_msg,
ACE_LIB_TEXT ("#latency : %.2f[%d]/%.2f/%.2f[%d]/%.2f (min/avg/max/var^2)\n #first invocation time = %.0f, last invocation time = %.0f\n"),
l_min, this->exec_time_min_at_,
l_avg,
l_max, this->exec_time_max_at_,
l_dev,
tmin,tmax);
ACE_OS::sprintf(out_msg,
ACE_LIB_TEXT ("#latency : %.2f[%d]/%.2f/%.2f[%d]/%.2f (min/avg/max/var^2)\n"),
l_min, this->exec_time_min_at_,
l_avg,
l_max, this->exec_time_max_at_,
l_dev);
ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT ("#latency : %.2f[%d]/%.2f/%.2f[%d]/%.2f (min/avg/max/var^2)\n"),
l_min, this->exec_time_min_at_,
l_avg,
l_max, this->exec_time_max_at_,
l_dev));
*/
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class ACE_Singleton<Base_Time, TAO_SYNCH_MUTEX>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_Singleton<Base_Time, TAO_SYNCH_MUTEX>
#endif /*ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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