//private async Task IfApexTestDelayAsync()
//{
// if (stressUtilOptions.IsTestApexTest())
// {
// var ApexLeaseDelay = System.Runtime.Remoting.Lifetime.LifetimeServices.LeaseTime + TimeSpan.FromSeconds(10 * stressUtilOptions.DelayMultiplier); // a little more than the lease lifetime
// logger.LogMessage($"Apex test: waiting {ApexLeaseDelay.TotalSeconds:n0} seconds for leaselifetime to expire");
// await Task.Delay(ApexLeaseDelay);
// }
// else
// {
// if (PerfCounterData.ProcToMonitor.Id != Process.GetCurrentProcess().Id)
// {
// await Task.Delay(TimeSpan.FromSeconds(2 * stressUtilOptions.DelayMultiplier));
// }
// }
//}
/// <summary>
/// get the counter for graphing
/// </summary>
/// <returns></returns>
public Dictionary <PerfCounterType, uint> GetLastMeasurements()
{
var res = new Dictionary <PerfCounterType, uint>();
foreach (var ctr in LstPerfCounterData.Where(pctr => pctr.IsEnabledForGraph))
{
var entry = measurements[ctr.perfCounterType];
res[ctr.perfCounterType] = entry[entry.Count - 1];
}
return(res);
}
public void TakeRawMeasurement(StringBuilder sBuilderMeasurementResult = null, bool IsForInteractiveGraph = false)
{
foreach (var ctr in LstPerfCounterData.Where(pctr => IsForInteractiveGraph ? pctr.IsEnabledForGraph : pctr.IsEnabledForMeasurement))
{
if (!measurements.TryGetValue(ctr.perfCounterType, out var lst))
{
lst = new List <uint>();
measurements[ctr.perfCounterType] = lst;
}
var pcValueAsFloat = 0f;
try
{
pcValueAsFloat = ctr.ReadNextValue();
}
catch (InvalidOperationException ex) //From Eventlog:The Open procedure for service ".NETFramework" in DLL "C:\Windows\system32\mscoree.dll" failed with error code 5. Performance data for this service will not be available.
{
string clrFilePath = string.Empty;
string clrFileVersion = string.Empty;
foreach (ProcessModule module in Process.GetCurrentProcess().Modules)
{
if (module.ModuleName.Equals("clr.dll", StringComparison.OrdinalIgnoreCase))
{
clrFilePath = module.FileName;
clrFileVersion = module.FileVersionInfo.FileVersion;
break;
}
}
Logger.LogMessage($"***EXCEPTION PerfCounter '{ex.Message}' {ctr} ProcId{ctr.ProcToMonitor.Id} StartTime= {ctr.ProcToMonitor.StartTime} HasExited={ctr.ProcToMonitor.HasExited} ClrPath={clrFilePath} ClrVersion={clrFileVersion}");
}
uint priorValue = 0;
if (lst.Count > 0)
{
priorValue = lst[lst.Count - 1];
if (this.sampleType != SampleType.SampleTypeIteration)
{
lst.RemoveAt(0); // we're not iterating, don't accumulate more than 1 (1 for previous)
}
}
uint pcValue = (uint)pcValueAsFloat;
int delta = (int)pcValue - (int)priorValue;
sBuilderMeasurementResult?.Append($"{ctr.PerfCounterName}={pcValue,13:n0} Δ = {delta,13:n0} ");
lst.Add(pcValue);
}
if (this.sampleType == SampleType.SampleTypeIteration)
{
nSamplesTaken++;
}
}
public string DumpOutMeasurementsToTxtFile()
{
var sb = new StringBuilder();
var lst = new List <string>();
foreach (var ctr in LstPerfCounterData.Where(pctr => pctr.IsEnabledForMeasurement))
{
lst.Add(ctr.PerfCounterName);
}
sb.AppendLine(string.Join(",", lst.ToArray()));
for (int i = 0; i < nSamplesTaken; i++)
{
lst.Clear();
foreach (var ctr in LstPerfCounterData.Where(pctr => pctr.IsEnabledForMeasurement))
{
if (i < measurements[ctr.perfCounterType].Count)
{
lst.Add($"{measurements[ctr.perfCounterType][i]}");
}
else
{
Logger.LogMessage($"Index out of range {ctr.PerfCounterName} {i} {measurements[ctr.perfCounterType].Count}");
}
}
sb.AppendLine(string.Join(",", lst.ToArray()));
}
var filename = Path.Combine(ResultsFolder, $"Measurements.txt");
File.WriteAllText(filename, sb.ToString());
lstFileResults.Add(new FileResultsData()
{
filename = filename, description = "Raw Measuremensts as Txt File to open/graph in Excel"
});
return(filename);
}
/// <summary>
///
/// </summary>
/// <param name="showGraph">show a graph interactively</param>
/// <param name="GraphsAsFilePrefix">Create graphs as files and test attachments. Null means none</param>
/// <returns></returns>
public async Task <List <LeakAnalysisResult> > CalculateLeaksAsync(bool showGraph, string GraphsAsFilePrefix)
{
var lstResults = new List <LeakAnalysisResult>();
this.stressUtilOptions.SetPerfCounterOverrideSettings();
foreach (var ctr in LstPerfCounterData.Where(pctr => pctr.IsEnabledForMeasurement))
{
var leakAnalysis = new LeakAnalysisResult(measurements[ctr.perfCounterType])
{
perfCounterData = ctr,
sensitivity = stressUtilOptions.Sensitivity,
pctOutliersToIgnore = stressUtilOptions.pctOutliersToIgnore,
RSquaredThreshold = stressUtilOptions.RSquaredThreshold
};
leakAnalysis.FindLinearLeastSquaresFit();
lstResults.Add(leakAnalysis);
}
if (showGraph)
{
var tcs = new TaskCompletionSource <int>();
// if we're running in testhost process, then we want a timeout
var timeoutEnabled = this.testContext != null;
var timeout = TimeSpan.FromSeconds(60);
Logger.LogMessage($"Showing graph timeoutenabled ={timeoutEnabled} {timeout.TotalSeconds:n0} secs");
var thr = new Thread((oparam) =>
{
try
{
var graphWin = new GraphWin(this);
if (timeoutEnabled)
{
var timer = new DispatcherTimer()
{
Interval = timeout
};
timer.Tick += (o, e) =>
{
Logger.LogMessage($"Timedout showing graph");
timer.Stop();
graphWin.Close();
};
timer.Start();
}
graphWin.AddGraph(lstResults);
if (timeoutEnabled)
{
graphWin.Title += $" timeout {timeout.TotalSeconds:n0}";
}
graphWin.ShowDialog();
Logger.LogMessage($"finished showing graph");
}
catch (Exception ex)
{
Logger.LogMessage($"graph {ex}");
}
tcs.SetResult(0);
});
thr.SetApartmentState(ApartmentState.STA);
thr.Start();
await tcs.Task;
//if (await Task.WhenAny(tcs.Task, Task.Delay(timeout)) != tcs.Task)
//{
// Logger.LogMessage($"Timedout showing graph");
//}
}
// Create graphs as files. do this after showgraph else hang
if (!string.IsNullOrEmpty(GraphsAsFilePrefix))
{
foreach (var item in lstResults)
{
using (var chart = new Chart())
{
chart.Titles.Add($"{TestName} {item}");
chart.Size = new System.Drawing.Size(1200, 800);
chart.Series.Clear();
chart.ChartAreas.Clear();
ChartArea chartArea = new ChartArea("ChartArea");
chartArea.AxisY.LabelStyle.Format = "{0:n0}";
chartArea.AxisY.Title = item.perfCounterData.PerfCounterName;
chartArea.AxisX.Title = "Iteration";
chartArea.AxisY.LabelStyle.Font = new System.Drawing.Font("Consolas", 12);
chart.ChartAreas.Add(chartArea);
chartArea.AxisY.IsStartedFromZero = false;
var series = new Series
{
ChartType = SeriesChartType.Line,
Name = item.perfCounterData.PerfCounterName
};
series.MarkerSize = 10;
series.MarkerStyle = MarkerStyle.Circle;
chart.Series.Add(series);
for (int i = 0; i < item.NumSamplesToUse; i++)
{
var dp = new DataPoint(i + 1, item.lstData[i].point.Y); // measurements taken at end of iteration
if (item.lstData[i].IsOutlier)
{
dp.MarkerColor = System.Drawing.Color.Red;
dp.MarkerStyle = MarkerStyle.Cross;
}
series.Points.Add(dp);
}
// now show trend line
var seriesTrendLine = new Series()
{
ChartType = SeriesChartType.Line,
Name = "Trend Line"
};
chart.Series.Add(seriesTrendLine);
var dp0 = new DataPoint(1, item.yintercept + item.slope);
seriesTrendLine.Points.Add(dp0);
var dp1 = new DataPoint(item.NumSamplesToUse, item.NumSamplesToUse * item.slope + item.yintercept);
seriesTrendLine.Points.Add(dp1);
chart.Legends.Add(new Legend());
chart.Legends[0].CustomItems.Add(new LegendItem()
{
Name = "IsOutlier",
ImageStyle = LegendImageStyle.Marker,
MarkerColor = System.Drawing.Color.Red,
MarkerStyle = MarkerStyle.Cross,
MarkerBorderWidth = 0,
MarkerSize = 10
});
var fname = Path.Combine(ResultsFolder, $"{GraphsAsFilePrefix} {item.perfCounterData.PerfCounterName}.png");
chart.SaveImage(fname, ChartImageFormat.Png);
lstFileResults.Add(new FileResultsData()
{
filename = fname, description = $"{GraphsAsFilePrefix} {item.perfCounterData}"
});
}
}
}
return(lstResults);
}
