public void ProcessEvent(ICtfEvent ctfEvent, ICtfPacket eventPacket, ICtfTraceInput traceInput, ICtfInputStream ctfEventStream)
{
var eventDescriptor = ctfEvent.EventDescriptor as EventDescriptor;
Debug.Assert(eventDescriptor != null);
if (eventDescriptor == null)
{
throw new LTTngPlaybackException("EventDescriptor is not an LTTng descriptor.");
}
if (!this.streamToCpu.TryGetValue(ctfEventStream, out var cpuId))
{
var cpuIndex = ctfEventStream.StreamSource.LastIndexOf('_');
string cpu = ctfEventStream.StreamSource.Substring(cpuIndex + 1);
if (!uint.TryParse(cpu, out cpuId))
{
Debug.Assert(false, "Unable to parse cpu from LTTng stream channel");
cpuId = uint.MaxValue;
}
this.streamToCpu.Add(ctfEventStream, cpuId);
}
if (!this.traceContexts.TryGetValue(traceInput, out var traceContext))
{
traceContext = new TraceContext(this.metadataCustomization.LTTngMetadata);
this.traceContexts.Add(traceInput, traceContext);
}
var callbackEvent = new LTTngEvent(ctfEvent);
var callbackContext = new LTTngContext(this.metadataCustomization, ctfEventStream, traceContext)
{
// todo: when supporting multiple traces, this timestamp needs to become relative to the earliest timestamp all traces
// todo: when supporting multiple traces, this one event number needs to become cumulative across traces, and one specific to the current trace
CurrentCpu = cpuId,
Timestamp = (long)ctfEvent.Timestamp.NanosecondsFromClockBase,/// - this.baseTimestamp,
CurrentEventNumber = this.eventNumber,
CurrentEventNumberWithinTrace = this.eventNumber,
};
foreach (var callback in this.eventCallbacks)
{
callback(callbackEvent, callbackContext);
}
++this.eventNumber;
}
public virtual ICtfMetadataParser CreateMetadataParser(
ICtfTraceInput traceInput)
{
this.metadataCustomization.PrepareForNewTrace(traceInput.MetadataStream);
return(new CtfAntlrMetadataParser(this.metadataCustomization, this.metadataCustomization.LTTngMetadata));
}
