/// <summary>
/// Mark the thread as unblocked.
/// </summary>
public void LogBlockingStop(
ComputingResourceStateMachine stateMachine,
TraceThread thread,
TraceEvent data)
{
if ((null == stateMachine) || (null == thread) || (null == data))
{
return;
}
// Only add a sample if the thread was blocked.
if (ThreadBlocked)
{
StackSourceSample sample = stateMachine.Sample;
MutableTraceEventStackSource stackSource = stateMachine.StackSource;
// Set the time and metric.
sample.TimeRelMSec = this.BlockTimeStartRelMsec;
sample.Metric = (float)(data.TimeStampRelativeMSec - this.BlockTimeStartRelMsec);
// Generate the stack trace.
ScenarioThreadState scenarioThreadState = GetScenarioThreadState(stateMachine);
StackSourceCallStackIndex callStackIndex = scenarioThreadState.GetCallStackIndex(stackSource, thread);
// Add the thread.
StackSourceFrameIndex threadFrameIndex = stackSource.GetFrameIndexForName(thread.VerboseThreadName);
callStackIndex = stackSource.GetCallStack(threadFrameIndex, callStackIndex);
// Add the full call stack.
callStackIndex = stackSource.GetCallStack(data.CallStackIndex(), callStackIndex, null);
StackSourceFrameIndex frameIndex = stackSource.GetFrameIndexForName("BLOCKED TIME");
callStackIndex = stackSource.GetCallStack(frameIndex, callStackIndex);
// Add the call stack to the sample.
sample.StackIndex = callStackIndex;
// Add the sample.
stackSource.AddSample(sample);
// Mark the thread as executing.
BlockTimeStartRelMsec = -1;
}
}
/// <summary>
/// Log a CPU sample on this thread.
/// </summary>
public void LogCPUSample(
ComputingResourceStateMachine stateMachine,
TraceThread thread,
TraceEvent data)
{
if ((null == stateMachine) || (null == thread) || (null == data))
{
return;
}
StackSourceSample sample = stateMachine.Sample;
MutableTraceEventStackSource stackSource = stateMachine.StackSource;
// Attempt to charge the CPU to a request.
ScenarioThreadState scenarioThreadState = GetScenarioThreadState(stateMachine);
StackSourceCallStackIndex callStackIndex = scenarioThreadState.GetCallStackIndex(stackSource, thread);
// Add the thread.
StackSourceFrameIndex threadFrameIndex = stackSource.GetFrameIndexForName(thread.VerboseThreadName);
callStackIndex = stackSource.GetCallStack(threadFrameIndex, callStackIndex);
// Rest of the stack.
// NOTE: Do not pass a call stack map into this method, as it will skew results.
callStackIndex = stackSource.GetCallStack(data.CallStackIndex(), callStackIndex, null);
// Add the CPU frame.
StackSourceFrameIndex cpuFrameIndex = stackSource.GetFrameIndexForName("CPU");
callStackIndex = stackSource.GetCallStack(cpuFrameIndex, callStackIndex);
// Add the sample.
sample.StackIndex = callStackIndex;
sample.Metric = 1;
sample.TimeRelMSec = data.TimeStampRelativeMSec;
stackSource.AddSample(sample);
}