/// <summary>
/// Event filtering by process ID. Called in ForwardEventEnumerator::MoveNext
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
bool FilterEvent(TraceEvent data)
{
if (data.ProcessID == m_procID)
{
if (m_gcProcess == null)
{
m_gcProcess = m_processLookup[data];
}
if (m_source == null)
{
m_source = data.Source;
FirstEventTime = data.TimeStampRelativeMSec;
}
LastEventTime = data.TimeStampRelativeMSec;
if (data.ProviderGuid == kernelGuid)
{
}
return(true);
}
return(false);
}
/// <summary>
/// Creates a session if it does not exist and increments the reference count on the session.
/// </summary>
/// <param name="beginEvent">Unused.</param>
public override void BeginIteration(TraceEvent beginEvent)
{
if (s_session == null)
{
// The filter function here is to filter out events that we are not concerned with collecting, i.e. events from
// processes not spawned by us.
s_session = GCProcess.Collect(_context.TraceEventSource as TraceEventDispatcher, SampleRate, filterFunc: _context.IsTestEvent);
s_hasComputedRollup = false;
}
s_sessionRefCount++;
}
public bool LoadEvents(int procID, int sampleInterval100ns)
{
m_procID = procID;
m_SampleInterval = sampleInterval100ns / 10000.0;
// Filter to process
TraceEvents processEvents = m_traceLog.Events.Filter(FilterEvent);
// Get Dispatcher
TraceEventDispatcher source = processEvents.GetSource();
kernelGuid = KernelTraceEventParser.ProviderGuid;
// Hookup events
source.Clr.All += OnClrEvent;
ClrPrivateTraceEventParser clrPrivate = new ClrPrivateTraceEventParser(source);
clrPrivate.All += OnClrPrivateEvent;
KernelTraceEventParser kernel = source.Kernel;
kernel.PerfInfoSample += delegate(SampledProfileTraceData data)
{
ThreadMemoryInfo thread = GetThread(data.ThreadID);
thread.AddEvent(HeapEvents.CPUSample, data.TimeStampRelativeMSec);
};
kernel.VirtualMemAlloc += OnVirtualMem;
kernel.VirtualMemFree += OnVirtualMem;
m_processLookup = new ProcessLookup <GCProcess>();
// Process all events into GCProcess lookup dictionary
GCProcess.Collect(source, sampleInterval100ns, m_processLookup, null, false, m_traceLog);
// Get the process we want
return(m_processLookup.TryGetByID(procID, out m_gcProcess));
}
