public void WriteStackTree(StackTree tree)
{
_totalTreeWeight = tree.Root.Weight;
WriteStackTreeNode(tree.Root, 0, 0); // TODO Find the real offsets based on the headers
}
static void Main(string[] args)
{
string filename;
string processName;
if (args.Length < 2)
{
filename = @"C:\Temp\final.etl";
processName = "devenv";
}
else
{
filename = args[0];
processName = args[1];
}
var output = Console.Error;
var symOutput = TextWriter.Null;
var traceLog = TraceLog.OpenOrConvert(filename,
new TraceLogOptions()
{
ConversionLog = output
});
var simpleTraceLogProcess = traceLog.Processes.LastProcessWithName(processName);
if (simpleTraceLogProcess == null)
{
Console.Error.WriteLine("Could not find process with name {0}", processName);
Environment.Exit(1);
}
var symbolReader = new SymbolReader(symOutput, SymbolPath.SymbolPathFromEnvironment);
symbolReader.SecurityCheck = (path => true);
Stopwatch sw = Stopwatch.StartNew();
foreach (var module in simpleTraceLogProcess.LoadedModules)
{
if (ShouldLoadSymbolsForModule(module.FilePath))
{
traceLog.CodeAddresses.LookupSymbolsForModule(symbolReader, module.ModuleFile);
}
}
Console.Error.WriteLine($"Loaded symbols in {sw.ElapsedMilliseconds} ms");
bool buildFlameGraphNatively = true; // TODO Make configurable
if (buildFlameGraphNatively)
{
sw.Restart();
var stackTree = new StackTree(simpleTraceLogProcess.EventsInProcess.ByEventType <SampledProfileTraceData>());
Console.Error.WriteLine($"Built stack tree in {sw.ElapsedMilliseconds} ms");
// stackTree.Dump(Console.Out);
var writer = new SVGWriter(Console.Out, 1024, stackTree.MaxDepth);
writer.WriteHeader();
writer.WriteEmbeddedJavaScript();
writer.WriteStackTree(stackTree);
writer.WriteFooter();
}
else
{
CreateFoldedStacksForFlameGraphScript(simpleTraceLogProcess.EventsInProcess.ByEventType <SampledProfileTraceData>());
}
// TODO Make this a PerfView UserCommand -- but don't use the PerfView 'Stacks' API
// because that would lock us in to only using this tool from within PerfView. Instead,
// just use CommandEnvironment.OpenETLFile("file.etl").TraceLog to get a TraceLog instance
// and work from there as above.
}