mirror of
https://github.com/libretro/Play-.git
synced 2024-11-27 18:50:28 +00:00
116 lines
2.4 KiB
C++
116 lines
2.4 KiB
C++
#include "Profiler.h"
|
|
|
|
#include <cassert>
|
|
|
|
CProfiler::CProfiler()
|
|
{
|
|
}
|
|
|
|
CProfiler::~CProfiler()
|
|
{
|
|
}
|
|
|
|
CProfiler::ZoneHandle CProfiler::RegisterZone(const char* name)
|
|
{
|
|
#ifdef PROFILE
|
|
for(unsigned int i = 0; i < m_zones.size(); i++)
|
|
{
|
|
const auto& zone(m_zones[i]);
|
|
if(zone.name == name) return i;
|
|
}
|
|
auto newZone = ZONE();
|
|
newZone.name = name;
|
|
newZone.totalTime = 0;
|
|
m_zones.push_back(newZone);
|
|
return static_cast<CProfiler::ZoneHandle>(m_zones.size() - 1);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
void CProfiler::CountCurrentZone()
|
|
{
|
|
assert(std::this_thread::get_id() == m_workThreadId);
|
|
assert(!m_zoneStack.empty());
|
|
|
|
auto thisTime = std::chrono::high_resolution_clock::now();
|
|
|
|
{
|
|
auto topZoneHandle = m_zoneStack.top();
|
|
auto duration = std::chrono::duration_cast<std::chrono::nanoseconds>(thisTime - m_currentTime);
|
|
AddTimeToZone(topZoneHandle, duration.count());
|
|
}
|
|
|
|
m_currentTime = thisTime;
|
|
}
|
|
|
|
void CProfiler::EnterZone(ZoneHandle zoneHandle)
|
|
{
|
|
assert(std::this_thread::get_id() == m_workThreadId);
|
|
|
|
auto thisTime = std::chrono::high_resolution_clock::now();
|
|
|
|
if(!m_zoneStack.empty())
|
|
{
|
|
auto topZoneHandle = m_zoneStack.top();
|
|
auto duration = std::chrono::duration_cast<std::chrono::nanoseconds>(thisTime - m_currentTime);
|
|
AddTimeToZone(topZoneHandle, duration.count());
|
|
}
|
|
|
|
m_zoneStack.push(zoneHandle);
|
|
|
|
m_currentTime = thisTime;
|
|
}
|
|
|
|
void CProfiler::ExitZone()
|
|
{
|
|
CountCurrentZone();
|
|
m_zoneStack.pop();
|
|
}
|
|
|
|
CProfiler::ZoneArray CProfiler::GetStats() const
|
|
{
|
|
assert(std::this_thread::get_id() == m_workThreadId);
|
|
return m_zones;
|
|
}
|
|
|
|
void CProfiler::Reset()
|
|
{
|
|
assert(std::this_thread::get_id() == m_workThreadId);
|
|
for(auto& zone : m_zones)
|
|
{
|
|
zone.totalTime = 0;
|
|
}
|
|
}
|
|
|
|
void CProfiler::SetWorkThread()
|
|
{
|
|
#ifdef _DEBUG
|
|
m_workThreadId = std::this_thread::get_id();
|
|
#endif
|
|
}
|
|
|
|
void CProfiler::AddTimeToZone(ZoneHandle zoneHandle, uint64 timeNs)
|
|
{
|
|
assert(m_zones.size() > zoneHandle);
|
|
auto& zone = m_zones[zoneHandle];
|
|
zone.totalTime += timeNs;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
//CProfilerZone
|
|
|
|
CProfilerZone::CProfilerZone(CProfiler::ZoneHandle handle)
|
|
{
|
|
#ifdef PROFILE
|
|
CProfiler::GetInstance().EnterZone(handle);
|
|
#endif
|
|
}
|
|
|
|
CProfilerZone::~CProfilerZone()
|
|
{
|
|
#ifdef PROFILE
|
|
CProfiler::GetInstance().ExitZone();
|
|
#endif
|
|
}
|