private void OnThreadCSwitch(CSwitchTraceData data)
{
// Start blocking on the old thread.
// Ignore the idle thread.
if (data.OldThreadID != 0)
{
TraceThread oldThread = m_Configuration.TraceLog.Threads.GetThread(data.OldThreadID, data.TimeStampRelativeMSec);
if (null != oldThread)
{
ComputingResourceThreadState oldThreadState = m_ThreadState[(int)oldThread.ThreadIndex];
oldThreadState.LogBlockingStart(this, oldThread, data);
}
}
// Stop blocking on the new thread.
// Ignore the idle thread.
if (data.ThreadID != 0)
{
TraceThread newThread = data.Thread();
if (null != newThread)
{
ComputingResourceThreadState newThreadState = m_ThreadState[(int)newThread.ThreadIndex];
newThreadState.LogBlockingStop(this, newThread, data);
}
}
}
public ComputingResourceStateMachine(MutableTraceEventStackSource outputStackSource, ScenarioConfiguration configuration, ComputingResourceViewType viewType)
{
m_OutputStackSource = outputStackSource;
m_Sample = new StackSourceSample(outputStackSource);
m_Configuration = configuration;
m_ViewType = viewType;
m_ThreadState = new ComputingResourceThreadState[configuration.TraceLog.Threads.Count];
for (int i = 0; i < m_ThreadState.Length; ++i)
{
m_ThreadState[i] = new ComputingResourceThreadState(i);
}
}
// callbacks for pariticular ETW events
private void OnCpuSample(SampledProfileTraceData data)
{
TraceThread thread = data.Thread();
Debug.Assert(thread != null);
if (null == thread)
{
return;
}
// Log the CPU sample.
ComputingResourceThreadState threadState = m_ThreadState[(int)thread.ThreadIndex];
threadState.LogCPUSample(this, thread, data);
}
private void OnThreadEnd(ThreadTraceData data)
{
TraceThread thread = data.Thread();
Debug.Assert(thread != null);
if (null == thread)
{
return;
}
// Get the thread state.
ComputingResourceThreadState threadState = m_ThreadState[(int)thread.ThreadIndex];
// Mark the thread as dead.
threadState.BlockTimeStartRelativeMSec = double.NegativeInfinity;
}
private void OnThreadStart(ThreadTraceData data)
{
TraceThread thread = data.Thread();
Debug.Assert(thread != null);
if (null == thread)
{
return;
}
// Get the thread state.
ComputingResourceThreadState threadState = m_ThreadState[(int)thread.ThreadIndex];
// Mark that blocking has started.
threadState.LogBlockingStart(this, thread, data);
}