May 01, 2003
Win32 Performance Measurement Options
Win32 Performance Measurement Options
Listing 1 Extract from winstl_tick_counter.h
/* /////////////////////////////////////////////////////////////
* ...
*
* Extract from winstl_tick_counter.h
*
* Copyright (C) 2002, Synesis Software Pty Ltd.
* (Licensed under the Synesis Software Standard Source License:
* http://www.synesis.com.au/licenses/ssssl.html)
*
* ...
* ////////////////////////////////////////////////////////// */
// Operations
inline void tick_counter::start()
{
m_start = ::GetTickCount();
}
inline void tick_counter::stop()
{
m_end = ::GetTickCount();
}
// Attributes
inline tick_counter::interval_type tick_counter::get_period_count() const
{
return static_cast<interval_type>(m_end - m_start);
}
inline tick_counter::interval_type tick_counter::get_seconds() const
{
return get_period_count() / interval_type(1000);
}
inline tick_counter::interval_type tick_counter::get_milliseconds() const
{
return get_period_count();
}
inline tick_counter::interval_type tick_counter::get_microseconds() const
{
return get_period_count() * interval_type(1000);
}
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