async Task AddDataPointsAsync(MeasurementHolder measurementHolder)
{
var dictPerfCtrCurrentMeasurements = measurementHolder.GetLastMeasurements();
if (_dataPoints.Count == 0) // nothing yet
{
for (int i = 0; i < NumDataPoints; i++)
{
_dataPoints[i] = new List <uint>(dictPerfCtrCurrentMeasurements.Values); // let all init points be equal, so y axis scales IsStartedFromZero
}
}
else
{
_dataPoints[_bufferIndex++] = new List <uint>(dictPerfCtrCurrentMeasurements.Values);
if (_bufferIndex == _dataPoints.Count) // wraparound?
{
_bufferIndex = 0;
}
}
await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
if (DoFullGCPerSample)
{
DoGC();// do a GC.Collect on main thread for every sample (the graphing uses memory)
}
// this needs to be done on UI thread
_chart.Series.Clear();
_chart.ChartAreas.Clear();
ChartArea chartArea = new ChartArea("ChartArea");
chartArea.AxisY.LabelStyle.Format = "{0:n0}";
chartArea.AxisY.LabelStyle.Font = new System.Drawing.Font("Consolas", 12);
_chart.ChartAreas.Add(chartArea);
int ndxSeries = 0;
chartArea.AxisY.IsStartedFromZero = false;
if (SetMaxGraphTo100)
{
_chart.ChartAreas[0].AxisY.Maximum = 100;
}
foreach (var entry in dictPerfCtrCurrentMeasurements)
{
var series = new Series
{
ChartType = SeriesChartType.Line,
Name = entry.Key.ToString()
};
_chart.Series.Add(series);
if (UpdateInterval == 0) // if we're not doing auto update on timer, we're iterating or doing manual measurement
{
series.MarkerSize = 10;
series.MarkerStyle = MarkerStyle.Circle;
}
for (int i = 0; i < _dataPoints.Count; i++)
{
var ndx = _bufferIndex + i;
if (ndx >= _dataPoints.Count)
{
ndx -= _dataPoints.Count;
}
var dp = new DataPoint(i + 1, _dataPoints[ndx][ndxSeries]);
series.Points.Add(dp);
}
ndxSeries++;
}
_chart.Legends.Clear();
_chart.Legends.Add(new Legend());
_chart.DataBind();
if (_editorTracker != null)
{
var(openedViews, lstLeakedViews) = _editorTracker.GetCounts();
OpenedViews.Clear();
LeakedViews.Clear();
foreach (var dictEntry in openedViews)
{
var sp = new StackPanel()
{
Orientation = Orientation.Horizontal
};
sp.Children.Add(new TextBlock()
{
Text = $"{ dictEntry.Key,-15} {dictEntry.Value,3}", FontFamily = FontFamilyMono
});
OpenedViews.Add(sp);
}
foreach (var entry in lstLeakedViews)
{
var sp = new StackPanel()
{
Orientation = Orientation.Horizontal
};
sp.Children.Add(new TextBlock()
{
Text = $"{ entry._contentType,-15} Ser#={entry._serialNo,3} {entry._dtCreated:hh:mm:ss} {entry._filename}", FontFamily = FontFamilyMono
});
public async Task DoSampleAsync(MeasurementHolder measurementHolder, bool DoForceGC, string descriptionOverride = "")
{
var res = string.Empty;
if (measurementHolder == null)
{
measurementHolder = measurementHolderInteractiveUser;
}
try
{
await TaskScheduler.Default;
try
{
res = await measurementHolder.TakeMeasurementAsync(descriptionOverride, DoForceGC, IsForInteractiveGraph : UpdateInterval != 0);
await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
await AddDataPointsAsync(measurementHolder);
if (AutoDumpIsEnabled)
{
var lastmeasurements = measurementHolder.GetLastMeasurements();
if (lastmeasurements.Count == 1)
{
var val = lastmeasurements.Values.First();
if (val >= AutoDumpThresh)
{
await AddStatusMsgAsync($"Autodump Threshold triggered: {lastmeasurements.Keys.First()} {val} > {AutoDumpThresh}");
AutoDumpIsEnabled = false;
var pathDump = await CreateDumpFileAsync(MemoryAnalysisType.JustCreateDump, "AutoDump", tspanDelayAfterGC : TimeSpan.FromSeconds(0.2));
}
}
}
}
catch (Exception ex)
{
res = ex.ToString();
}
AddStatusMsgAsync($"{res}").Forget();
}
catch (InvalidOperationException ex)
{
if (ex.Message.Contains("Instance 'devenv#")) // user changed # of instance of devenv runnning
{
await AddStatusMsgAsync($"Resetting perf counters due to devenv instances change");
lock (measurementHolder.LstPerfCounterData)
{
foreach (var ctr in measurementHolder.LstPerfCounterData)
{
ctr.ResetCounter();
}
_dataPoints.Clear();
_bufferIndex = 0;
}
}
}
catch (Exception ex)
{
await AddStatusMsgAsync($"Exception in {nameof(DoSampleAsync)}" + ex.ToString());
_dataPoints.Clear();
_bufferIndex = 0;
}
}