mirror of https://github.com/probonopd/MiniDexed
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.0 KiB
51 lines
1.0 KiB
3 years ago
|
//
|
||
|
|
// perftimer.cpp
|
||
|
|
//
|
||
|
|
#include "perftimer.h"
|
||
|
|
#include <iostream>
|
||
|
|
|
||
|
|
CPerformanceTimer::CPerformanceTimer (const char *pName, unsigned nDeadlineMicros)
|
||
|
|
: m_Name (pName),
|
||
|
|
m_nDeadlineMicros (nDeadlineMicros),
|
||
|
|
m_nMaximumMicros (0),
|
||
|
|
m_nLastDumpTicks (0)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
void CPerformanceTimer::Start (void)
|
||
|
|
{
|
||
|
|
m_nStartTicks = CTimer::GetClockTicks ();
|
||
|
|
}
|
||
|
|
|
||
|
|
void CPerformanceTimer::Stop (void)
|
||
|
|
{
|
||
|
|
unsigned nEndTicks = CTimer::GetClockTicks ();
|
||
|
|
unsigned nMicros = (nEndTicks - m_nStartTicks) / (CLOCKHZ / 1000000);
|
||
|
|
|
||
|
|
if (nMicros > m_nMaximumMicros)
|
||
|
|
{
|
||
|
|
m_nMaximumMicros = nMicros;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CPerformanceTimer::Dump (unsigned nIntervalTicks)
|
||
|
|
{
|
||
|
|
unsigned nTicks = CTimer::GetClockTicks ();
|
||
|
|
|
||
|
|
if (nTicks - m_nLastDumpTicks >= nIntervalTicks)
|
||
|
|
{
|
||
|
|
m_nLastDumpTicks = nTicks;
|
||
|
|
|
||
|
|
unsigned nMaximumMicros = m_nMaximumMicros; // may be overwritten from interrupt
|
||
|
|
|
||
|
|
std::cout << m_Name << ": Maximum duration was " << nMaximumMicros << "us";
|
||
|
|
|
||
|
|
if (m_nDeadlineMicros != 0)
|
||
|
|
{
|
||
|
|
std::cout << " (" << nMaximumMicros*100 / m_nDeadlineMicros << "%)";
|
||
|
|
}
|
||
|
|
|
||
|
|
std::cout << std::endl;
|
||
|
|
}
|
||
|
|
}
|