May 01, 2003
Win32 Performance Measurement Options
Listing 3 Extract from winstl_systemtime_counter.h
/* /////////////////////////////////////////////////////////////
* ...
*
* Extract from winstl_systemtime_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 systemtime_counter::start()
{
::GetSystemTimeAsFileTime(reinterpret_cast<LPFILETIME>(&m_start));
}
inline void systemtime_counter::stop()
{
::GetSystemTimeAsFileTime(reinterpret_cast<LPFILETIME>(&m_end));
}
// Attributes
inline systemtime_counter::interval_type systemtime_counter::get_seconds() const
{
return get_period_count() / interval_type(10000000);
}
inline systemtime_counter::interval_type systemtime_counter::get_milliseconds() const
{
return get_period_count() / interval_type(10000);
}
inline systemtime_counter::interval_type systemtime_counter::get_microseconds() const
{
return get_period_count() / interval_type(10);
}
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