public InSituMethodInvocationControlViewModel(MethodPerformanceInfo methodPerformanceInfo)
{
MethodPerformanceInfo = methodPerformanceInfo ?? throw new ArgumentNullException(nameof(methodPerformanceInfo));
OpenDetailViewCommand = new RelayCommand <object>(obj => OnOpenDetailViewCommand());
MethodPerformanceInfo.PropertyChanged += MethodPerformanceInfoPropertyChanged;
}
/// <summary>
/// Predicts Method Execution Time
/// sums up callee times for methods
/// </summary>
public TimeSpan PredictMethodTime(MethodPerformanceInfo methodPerformanceInfo, object[] parameters)
{
// TODO RR: multiply by 1 + workolad
var executionTimeWithoutLoops = methodPerformanceInfo.AllCalleePerformanceInfo.Sum(p => p.ExecutionTime);
if (!methodPerformanceInfo.LoopPerformanceInfos.Any())
{
return(executionTimeWithoutLoops);
}
var singleIterationTime = methodPerformanceInfo.LoopPerformanceInfos.Sum(p => p.SingleIterationTime);
var predictedLoopTime = methodPerformanceInfo.LoopPerformanceInfos.Sum(p => p.ExecutionTime);
return(executionTimeWithoutLoops - singleIterationTime + predictedLoopTime);
}
public async Task <MethodPerformanceInfo> GetMethodPerformanceInfoAsync(IMethodSymbol methodSymbol)
{
var documentationCommentId = methodSymbol.GetDocumentationCommentId();
if (_methodPerformancInfoCache.TryGetValue(documentationCommentId, out var existingMethodPerformanceInfo))
{
return(existingMethodPerformanceInfo);
}
// TODO RR: Use SyntaxAnnotation https://joshvarty.wordpress.com/2015/09/18/learn-roslyn-now-part-13-keeping-track-of-syntax-nodes-with-syntax-annotations/
// TODO RR: Do one Dictionary per Class/File
var methodTelemetry = await _telemetryProvider.GetTelemetryDataAsync(documentationCommentId).ConfigureAwait(false);
if (methodTelemetry == null)
{
return(null);
}
var performanceInfo = new MethodPerformanceInfo(_predictionEngine, methodSymbol, methodTelemetry);
_methodPerformancInfoCache.Add(documentationCommentId, performanceInfo);
return(performanceInfo);
}
private async Task <LoopPerformanceInfo> VisitLoopAsync(SyntaxNode loopSyntax, MethodPerformanceInfo methodPerformanceInfo)
{
var invocationExpressionSyntaxsInLoop = loopSyntax.DescendantNodes(node => true).OfType <InvocationExpressionSyntax>();
var loopInvocationsList = new List <MethodPerformanceInfo>();
foreach (var invocationExpressionSyntax in invocationExpressionSyntaxsInLoop)
{
var invokedMethodSymbol = _semanticModel.GetSymbolInfo(invocationExpressionSyntax).Symbol as IMethodSymbol;
// Only Drawing invocationSymbols that refer to the current assembly. Not drawing Information about other assemblies...
if (invokedMethodSymbol == null || !Equals(_semanticModel.Compilation.Assembly, invokedMethodSymbol.ContainingAssembly))
{
continue;
}
var invocationPerformanceInfo = await _telemetryDataMapper.GetMethodPerformanceInfoAsync(invokedMethodSymbol).ConfigureAwait(false);
loopInvocationsList.Add(invocationPerformanceInfo);
}
var loopPerformanceInfo = new LoopPerformanceInfo(_predictionEngine, methodPerformanceInfo, loopInvocationsList);
var derivedLoopIterations = TryGetLoopIterationsFromCodeFlow(loopSyntax);
if (derivedLoopIterations != 0)
{
loopPerformanceInfo.PredictedLoopIterations = derivedLoopIterations;
}
PerformanceTags.Add(loopSyntax, new LoopPerformanceTag(loopPerformanceInfo));
return(loopPerformanceInfo);
}
public MethodInvocationPerformanceTag(MethodPerformanceInfo performanceInfo) : base(performanceInfo)
{
}
internal PerformanceTag(MethodPerformanceInfo performanceInfo)
{
PerformanceInfo = performanceInfo;
}
public MethodPerformanceTag(MethodPerformanceInfo performanceInfo) : base(performanceInfo)
{
}
