public CollectTraceEventsHelper(CommandLineOptions options)
{
if (TraceEventSession.IsElevated() != true)
throw new InvalidOperationException("Collecting perf events requires administrative privileges.");
if (options.ClrEvents.Events == ClrTraceEventParser.Keywords.None && options.KernelEvents == KernelTraceEventParser.Keywords.None)
throw new PowerArgs.ArgException("Must specify at least one CLR or kernel event.");
// verify session name
var existingSessions = TraceEventSession.GetActiveSessionNames();
if (options.Mode == ExecutionMode.Start && existingSessions.Contains(options.TestName))
throw new InvalidOperationException(string.Format("The session name '{0}' is already in use.", options.TestName));
else if (options.Mode == ExecutionMode.Stop && !existingSessions.Contains(options.TestName))
throw new InvalidOperationException(string.Format("The session name '{0}' does not exist.", options.TestName));
m_traceSession = new TraceEventSession(options.TestName, options.DataFile);
if (options.Mode == ExecutionMode.Start)
{
m_traceSession.BufferSizeMB = 512;
// starting a new session, enable providers
m_traceSession.EnableKernelProvider(options.KernelEvents);
m_traceSession.EnableProvider(ClrTraceEventParser.ProviderGuid, TraceEventLevel.Informational, (ulong)options.ClrEvents.Events);
// keep the session active after the process terminates
m_traceSession.StopOnDispose = false;
}
}
public TraceEventsReportGenerator(CommandLineOptions commandLineOptions)
{
if (!File.Exists(commandLineOptions.DataFile))
throw new FileNotFoundException("Couldn't find the specified data file.", commandLineOptions.DataFile);
m_testName = commandLineOptions.TestName;
m_etlFile = commandLineOptions.DataFile;
m_process = commandLineOptions.ProcessName;
m_clrEvents = commandLineOptions.ClrEvents.Events;
m_kernelEvents = commandLineOptions.KernelEvents;
}
