/// <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);
}
public AggregateEventsDataComparer(AggregateEventsData baseline, AggregateEventsData live)
{
if (baseline == null)
{
throw new ArgumentNullException("baseline");
}
if (live == null)
{
throw new ArgumentNullException("live");
}
// ensure that the data being compared is from the same architecture, platform and test
if (string.Compare(baseline.TestName, live.TestName, StringComparison.OrdinalIgnoreCase) != 0)
{
throw new ArgumentException(string.Format("Cannot compare results across different tests. Baseline is {0} and live is {1}.", baseline.TestName, live.TestName));
}
// TODO: there might be cases where cross-platform comparisons make sense
if (baseline.Platform != live.Platform)
{
throw new ArgumentException(string.Format("Cannot compare results across different platforms. Baseline is {0} and live is {1}.", baseline.Platform, live.Platform));
}
if (baseline.Architecture != live.Architecture)
{
throw new ArgumentException(string.Format("Cannot compare results across different architectures. Baseline is {0} and live is {1}.", baseline.Architecture, live.Architecture));
}
m_baseline = baseline;
m_live = live;
}
static int Main(string[] args)
{
var exitCode = 1;
try
{
var cmdOptions = PowerArgs.Args.Parse <CommandLineOptions>(args);
if (string.Compare(cmdOptions.Baseline, cmdOptions.Live, StringComparison.OrdinalIgnoreCase) == 0)
{
throw new ArgumentException("The values of baseline and live parameters cannot be identical.");
}
var xmls = new XmlSerializer(typeof(AggregateEventsData));
AggregateEventsData baseline = null;
AggregateEventsData live = null;
using (StreamReader reader = new StreamReader(cmdOptions.Baseline))
{
baseline = (AggregateEventsData)xmls.Deserialize(reader);
}
using (StreamReader reader = new StreamReader(cmdOptions.Live))
{
live = (AggregateEventsData)xmls.Deserialize(reader);
}
var dataComparer = new AggregateEventsDataComparer(baseline, live);
if (dataComparer.CompareResults())
{
Console.WriteLine("PASS: perf results are ok");
exitCode = 0;
}
else
{
Console.WriteLine("FAIL: perf results out of tolerance");
}
}
catch (PowerArgs.ArgException ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(PowerArgs.ArgUsage.GenerateUsageFromTemplate <CommandLineOptions>());
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
}
return(exitCode);
}
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);
}
