/// <summary>
/// Generate the PerfEventsData from the info provided to the ctor.
/// </summary>
/// <returns>A new instance of the AggregateEventsData class.</returns>
public AggregateEventsData Generate()
{
using (var eventSource = new ETWTraceEventSource(m_etlFile))
{
if (eventSource.EventsLost > 0)
Console.WriteLine("WARNING: {0} events were lost during capture.", eventSource.EventsLost);
m_aed = new AggregateEventsData(m_testName, Platform.Windows, eventSource.PointerSize == 8 ? Architecture.Amd64 : Architecture.X86);
ParseClrTraceEvents(eventSource);
ParseKernelTraceEvents(eventSource);
// process the stream of events
eventSource.Process();
}
if (!m_processFound)
throw new ArgumentException(string.Format("No data was found for process named {0}. Please ensure the name of the process is correct.", m_process));
return m_aed;
}
static AggregateEventsData MegeData(ICollection<AggregateEventsData> eventsData)
{
if (eventsData == null)
throw new ArgumentNullException("eventsData");
// verify that the test and platform values are homogenous
string testName = null;
Platform? platform = null;
Architecture? arch = null;
foreach (var eventData in eventsData)
{
if (testName == null)
testName = eventData.TestName;
else if (string.Compare(testName, eventData.TestName, StringComparison.OrdinalIgnoreCase) != 0)
throw new InvalidOperationException(string.Format("Cannot merge data from different tests '{0}' and '{1}'.", testName, eventData.TestName));
if (platform == null)
platform = eventData.Platform;
else if (platform.Value != eventData.Platform)
throw new InvalidOperationException(string.Format("Cannot merge data from different architectures {0} and {1}.", platform.Value, eventData.Platform));
if (arch == null)
arch = eventData.Architecture;
else if (arch.Value != eventData.Architecture)
throw new InvalidOperationException(string.Format("Cannot merge data from different architectures {0} and {1}.", arch.Value, eventData.Architecture));
}
AggregateEventsData mergedEventsData = new AggregateEventsData(testName, platform.Value, arch.Value);
var clrEvents = new List<BaseEventData<ClrPerfEvents>>(eventsData.Count);
var kernelEvents = new List<BaseEventData<KernelPerfEvents>>(eventsData.Count);
foreach (var eventData in eventsData)
{
foreach (var clrEventData in eventData.ClrEventsData.Values)
clrEvents.Add(clrEventData);
foreach (var kernelEventData in eventData.KernelEventsData.Values)
kernelEvents.Add(kernelEventData);
}
mergedEventsData.AddData(clrEvents[0].MergeEventData(clrEvents));
mergedEventsData.AddData(kernelEvents[0].MergeEventData(kernelEvents));
return mergedEventsData;
}
