private static void ProcessHyperlinkCommand(string command)
{
GuiApp.MainWindow.StatusBar.LogWriter.WriteLine("Got command " + command);
string[] args = command.Split(new char[] { ',' });
StackWindow stackWindow = null;
switch (args[0])
{
case "ShowBaseStacks":
stackWindow = _baselineWindow;
break;
case "ShowStacks":
stackWindow = _sourceWindow;
break;
}
try
{
stackWindow.SetFocus(args[1]);
stackWindow.CallersTab.IsSelected = true;
stackWindow.Focus();
}
catch (System.NullReferenceException)
{
GuiApp.MainWindow.StatusBar.LogWriter.WriteLine("Failed to find Stack Window. (Has it been closed?)");
}
}
private void OnOpenLargeAllocStacks(object sender, RoutedEventArgs e)
{
StackSource stacks = m_dataFile.CreateStackSource("GC Heap Alloc Ignore Free (Coarse Sampling)", m_process.ProcessID, m_statusBar.LogWriter, true);
StackWindow stackWin = null;
m_dataFile.StackWindowTo(null, ref stackWin, stacks, "LOH Heap Alloc");
}
private void OnOpenInducedStacks(object sender, RoutedEventArgs e)
{
StackSourceBuilder builder = new StackSourceBuilder(m_traceLog);
List <TraceGC> events = m_runtime.GC.GCs;
for (int i = 0; i < events.Count; i++)
{
TraceGC ev = events[i];
if (ev.IsInduced())
{
GcEventExtra extra = GetGcEventExtra(ev.Number, false);
if (extra != null)
{
builder.AddSample(extra.GCStartThread, ev.PauseDurationMSec, ev.StartRelativeMSec,
String.Format("StartGC({0}, {1}, G{2})", ev.Reason, ev.Type, ev.Generation),
extra.GCStartIndex);
}
}
}
StackSource source = builder.Stacks;
if (source.SampleIndexLimit == 0)
{
MessageBox.Show("No stacks found for induced GC", ".Net Heap Analyzer", MessageBoxButton.OK);
}
else
{
StackWindow stackWindow = null;
m_dataFile.StackWindowTo(null, ref stackWindow, source, "Induced GC", FirstEventTime, LastEventTime);
}
}
private static async Task <PerfDataGrid> SelectTabAsync(StackWindow stackWindow, KnownDataGrid grid, CancellationToken cancellationToken)
{
Assert.Same(stackWindow.Dispatcher.Thread, Thread.CurrentThread);
var tabControl = (TabControl)stackWindow.ByNameTab.Parent;
PerfDataGrid dataGrid;
switch (grid)
{
case KnownDataGrid.ByName:
tabControl.SelectedItem = stackWindow.ByNameTab;
dataGrid = stackWindow.ByNameDataGrid;
break;
case KnownDataGrid.CallerCalleeCallers:
case KnownDataGrid.CallerCalleeFocus:
case KnownDataGrid.CallerCalleeCallees:
tabControl.SelectedItem = stackWindow.CallerCalleeTab;
if (grid == KnownDataGrid.CallerCalleeCallers)
{
dataGrid = stackWindow.CallerCalleeView.CallersGrid;
}
else if (grid == KnownDataGrid.CallerCalleeFocus)
{
dataGrid = stackWindow.CallerCalleeView.FocusGrid;
}
else
{
dataGrid = stackWindow.CallerCalleeView.CalleesGrid;
}
break;
case KnownDataGrid.CallTree:
tabControl.SelectedItem = stackWindow.CallTreeTab;
dataGrid = stackWindow.CallTreeDataGrid;
break;
case KnownDataGrid.Callers:
tabControl.SelectedItem = stackWindow.CallersTab;
dataGrid = stackWindow.CallersDataGrid;
break;
case KnownDataGrid.Callees:
tabControl.SelectedItem = stackWindow.CalleesTab;
dataGrid = stackWindow.CalleesDataGrid;
break;
default:
throw new ArgumentException("Unsupported data grid.", nameof(grid));
}
await WaitForUIAsync(stackWindow.Dispatcher, cancellationToken);
if (!dataGrid.Grid.HasItems)
{
PerfDataGrid gridToDoubleClick = null;
if (grid == KnownDataGrid.CallerCalleeCallers)
{
gridToDoubleClick = stackWindow.CallerCalleeView.CalleesGrid;
}
else if (grid == KnownDataGrid.CallerCalleeCallees)
{
gridToDoubleClick = stackWindow.CallerCalleeView.CallersGrid;
}
if (gridToDoubleClick?.Grid.HasItems ?? false)
{
var itemToDoubleClick = gridToDoubleClick.Grid.Items[0];
var cellToDoubleClick = (DataGridCell)gridToDoubleClick.DisplayNameColumn.GetCellContent(itemToDoubleClick).Parent;
var border = (Border)VisualTreeHelper.GetChild(cellToDoubleClick, 0);
var textBlock = (TextBlock)VisualTreeHelper.GetChild(VisualTreeHelper.GetChild(VisualTreeHelper.GetChild(border, 0), 0), 0);
Point controlCenter = new Point(textBlock.ActualWidth / 2, textBlock.ActualHeight / 2);
Point controlCenterOnView = textBlock.TranslatePoint(controlCenter, (UIElement)Helpers.RootVisual(textBlock));
Point controlCenterOnDevice = PresentationSource.FromDependencyObject(Helpers.RootVisual(textBlock)).CompositionTarget.TransformToDevice.Transform(controlCenterOnView);
RaiseMouseInputReportEvent(textBlock, Environment.TickCount, (int)controlCenterOnDevice.X, (int)controlCenterOnDevice.Y, 0);
gridToDoubleClick.RaiseEvent(new MouseButtonEventArgs(Mouse.PrimaryDevice, Environment.TickCount, MouseButton.Left)
{
RoutedEvent = Control.MouseDoubleClickEvent, Source = textBlock
});
await WaitForUIAsync(stackWindow.Dispatcher, cancellationToken);
}
}
return(dataGrid);
}
public static void GenerateOverweightReport(string outputHtmlReport, StackWindow sourceWindow, StackWindow baselineWindow)
{
_sourceWindow = sourceWindow;
_baselineWindow = baselineWindow;
StackSource source = sourceWindow.CallTree.StackSource;
StackSource baselineSource = baselineWindow.CallTree.StackSource;
TextWriter log = GuiApp.MainWindow.StatusBar.LogWriter;
var d1 = new Dictionary <string, float>();
var d2 = new Dictionary <string, float>();
var results = new List <Result>();
float total1 = LoadOneTrace(baselineSource, d1);
float total2 = LoadOneTrace(source, d2);
if (total1 != total2)
{
ComputeOverweights(d1, d2, results, total1, total2);
}
using (var w = File.CreateText(outputHtmlReport))
{
w.WriteLine("<h1>Overweight report for symbols common between both files</h1>");
w.WriteLine("<br>");
float delta = total2 - total1;
float growthPercent = delta / total1 * 100;
w.WriteLine("<table style=\"font-size:10pt;\" border=\"1\">");
w.WriteLine("<tr><td>Base (old) Time:</td><td>{0:f1}</td></tr>", total1);
w.WriteLine("<tr><td>Test (new) Time:</td><td>{0:f1}</td></tr>", total2);
w.WriteLine("<tr><td>Delta:</td><td>{0:f1}</td></tr>", delta);
w.WriteLine("<tr><td>Delta %:</td><td>{0:f1}</td></tr>", growthPercent);
w.WriteLine("</table>");
w.WriteLine("<br>");
w.WriteLine("In this report, overweight is ratio of actual growth compared to {0:f1}%.<br>", growthPercent);
w.WriteLine("Interest level attempts to identify smaller methods which changed a lot. These are likely the most interesting frames to sart investigating<br>");
w.WriteLine("An overweight of greater than 100% indicates the symbol grew in cost more than average.<br>");
w.WriteLine("High overweights are a likely source of regressions and represent good places to investigate.<br>");
w.WriteLine("Only symbols that have at least 2% impact are shown.<br>");
w.WriteLine("<br>");
if (results.Count == 0)
{
w.WriteLine("There was no growth or no matching symbols, overweight analysis not possible<br>");
}
else
{
w.WriteLine("<table style=\"font-size:10pt;\" border=\"1\">");
w.WriteLine("<tr><td>{0}</td><td>{1}</td><td>{2}</td><td>{3}</td><td>{4}</td><td>{5}</td><td>{6}</td></tr>",
"<b>Name</b>",
"<b>Base</b>",
"<b>Test</b>",
"<b>Delta</b>",
"<b>Responsibility %</b>",
"<b>Overweight %</b>",
"<b>Interest Level</b>"
);
foreach (var r in results)
{
// filter out the small stuff
if (Math.Abs(r.percent) < 2)
{
continue;
}
w.WriteLine("<tr><td>{0}</td><td><a href='command:ShowBaseStacks,{0}' title='View Callers of {0} in Base Stacks'>{1:f1}</a></td><td><a href='command:ShowStacks,{0}' title='View Callers of {0} in Test Stacks'>{2:f1}</a></td><td>{3:f1}</td><td>{4:f2}</td><td>{5:f2}</td><td>{6}</td></tr>",
r.name,
r.before,
r.after,
r.delta,
r.percent,
r.overweight,
r.interest
);
}
w.WriteLine("</table>");
}
}
}
