private static void ConvertToSpeedscope(string fileToConvert, string outputFilename)
{
var etlxFilePath = TraceLog.CreateFromEventPipeDataFile(fileToConvert);
using (var symbolReader = new SymbolReader(System.IO.TextWriter.Null)
{
SymbolPath = SymbolPath.MicrosoftSymbolServerPath
})
using (var eventLog = new TraceLog(etlxFilePath))
{
var stackSource = new MutableTraceEventStackSource(eventLog)
{
OnlyManagedCodeStacks = true // EventPipe currently only has managed code stacks.
};
var computer = new SampleProfilerThreadTimeComputer(eventLog, symbolReader);
computer.GenerateThreadTimeStacks(stackSource);
SpeedScopeStackSourceWriter.WriteStackViewAsJson(stackSource, outputFilename);
}
if (File.Exists(etlxFilePath))
{
File.Delete(etlxFilePath);
}
}
private static void ConvertToSpeedscope(string fileToConvert)
{
var symbolReader = new SymbolReader(System.IO.TextWriter.Null)
{
SymbolPath = SymbolPath.MicrosoftSymbolServerPath
};
var etlxFilePath = TraceLog.CreateFromEventPipeDataFile(fileToConvert);
var eventLog = new TraceLog(etlxFilePath);
try
{
var stackSource = new MutableTraceEventStackSource(eventLog)
{
OnlyManagedCodeStacks = true // EventPipe currently only has managed code stacks.
};
var computer = new SampleProfilerThreadTimeComputer(eventLog, symbolReader);
computer.GenerateThreadTimeStacks(stackSource);
var speedScopeFilePath = Path.ChangeExtension(fileToConvert, "speedscope.json");
SpeedScopeStackSourceWriter.WriteStackViewAsJson(stackSource, speedScopeFilePath);
}
finally
{
eventLog.Dispose();
if (File.Exists(etlxFilePath))
{
File.Delete(etlxFilePath);
}
}
}
// Method copied from https://github.com/dotnet/diagnostics/blob/2c23d3265dd8f642a8d6cf4bb8a135a5ff8b00c2/src/Tools/dotnet-trace/TraceFileFormatConverter.cs#L64
private static void ConvertToSpeedscope(string fileToConvert, string outputFilename, bool continueOnError = false)
{
var etlxFilePath = TraceLog.CreateFromEventPipeDataFile(fileToConvert, null, new TraceLogOptions()
{
ContinueOnError = continueOnError
});
using (var symbolReader = new SymbolReader(System.IO.TextWriter.Null)
{
SymbolPath = SymbolPath.MicrosoftSymbolServerPath
})
using (var eventLog = new TraceLog(etlxFilePath))
{
var stackSource = new MutableTraceEventStackSource(eventLog)
{
OnlyManagedCodeStacks = true // EventPipe currently only has managed code stacks.
};
var computer = new SampleProfilerThreadTimeComputer(eventLog, symbolReader)
{
IncludeEventSourceEvents = false // SpeedScope handles only CPU samples, events are not supported
};
computer.GenerateThreadTimeStacks(stackSource);
SpeedScopeStackSourceWriter.WriteStackViewAsJson(stackSource, outputFilename);
}
if (File.Exists(etlxFilePath))
{
File.Delete(etlxFilePath);
}
}
private static void Convert(TraceFileFormat format, string fileToConvert, string outputFilename, bool continueOnError = false)
{
var etlxFilePath = TraceLog.CreateFromEventPipeDataFile(fileToConvert, null, new TraceLogOptions()
{
ContinueOnError = continueOnError
});
using (var symbolReader = new SymbolReader(TextWriter.Null)
{
SymbolPath = SymbolPath.MicrosoftSymbolServerPath
})
using (var eventLog = new TraceLog(etlxFilePath))
{
var stackSource = new MutableTraceEventStackSource(eventLog)
{
OnlyManagedCodeStacks = true // EventPipe currently only has managed code stacks.
};
var computer = new SampleProfilerThreadTimeComputer(eventLog, symbolReader)
{
IncludeEventSourceEvents = false // SpeedScope handles only CPU samples, events are not supported
};
computer.GenerateThreadTimeStacks(stackSource);
switch (format)
{
case TraceFileFormat.Speedscope:
SpeedScopeStackSourceWriter.WriteStackViewAsJson(stackSource, outputFilename);
break;
case TraceFileFormat.Chromium:
ChromiumStackSourceWriter.WriteStackViewAsJson(stackSource, outputFilename, compress: false);
break;
default:
// we should never get here
throw new ArgumentException($"Invalid TraceFileFormat \"{format}\"");
}
}
if (File.Exists(etlxFilePath))
{
File.Delete(etlxFilePath);
}
}