private void StartTracing()
{
const uint RealTime = 0x00000100;
const uint EventRecord = 0x10000000;
_logFile = new EventTraceLogfile();
_logFile.LoggerName = _loggerName;
_logFile.EventRecordCallback = EventRecordCallback;
_logFile.ProcessTraceMode = EventRecord | RealTime;
_traceHandle = NativeMethods.OpenTrace(ref _logFile);
int error = Marshal.GetLastWin32Error();
if (error != 0)
{
throw new System.ComponentModel.Win32Exception(error);
}
_processEventsDelgate = new ProcessTraceDelegate(ProcessTraceInBackground);
_asyncResult = _processEventsDelgate.BeginInvoke(_traceHandle, null, _processEventsDelgate);
}
private void StartTracing()
{
const uint RealTime = 0x00000100;
const uint EventRecord = 0x10000000;
const uint BufferSize = 64;
const uint MinBuffers = 20;
const uint MaxBuffers = 200;
const uint FlushTimerSeconds = 1;
int status;
if (!LoadExistingEventTraceProperties())
{
_eventTraceProperties.SetParameters(RealTime, BufferSize, MinBuffers, MaxBuffers, FlushTimerSeconds);
// Start trace session
ulong unsafeSessionHandle;
status = NativeMethods.StartTrace(
out unsafeSessionHandle,
_loggerName,
ref _eventTraceProperties);
if (status != 0)
{
throw new Win32Exception(status);
}
_sessionHandle = new SessionSafeHandle(unsafeSessionHandle, _loggerName);
var emptyGuid = Guid.Empty;
var windows7Version = new Version(6, 1, 7600);
if (Environment.OSVersion.Version.CompareTo(windows7Version) >= 0)
{
const int TimeToWaitForInitialize = 10 * 1000;
var enableParameters = new EnableTraceParameters
{
Version = 1,
EnableProperty = EventEnableProperty.Sid
};
// ENABLE_TRACE_PARAMETERS_VERSION
status = NativeMethods.EnableTraceEx2(
unsafeSessionHandle,
ref _eventProviderId,
1,
// controlCode - EVENT_CONTROL_CODE_ENABLE_PROVIDER
(byte)Level,
MatchAnyKeyword,
0,
// matchAnyKeyword
TimeToWaitForInitialize,
ref enableParameters);
}
else
{
status = NativeMethods.EnableTraceEx(
ref _eventProviderId,
ref emptyGuid,
// sourceId
unsafeSessionHandle,
1,
// isEnabled
(byte)Level,
MatchAnyKeyword,
0,
// matchAllKeywords
EventEnableProperty.Sid,
IntPtr.Zero);
}
if (status != 0)
{
throw new Win32Exception(status);
}
}
_logFile = new EventTraceLogfile
{
LoggerName = _loggerName,
EventRecordCallback = EventRecordCallback,
ProcessTraceMode = EventRecord | RealTime
};
var unsafeTraceHandle = NativeMethods.OpenTrace(ref _logFile);
status = Marshal.GetLastWin32Error();
if (status != 0)
{
throw new Win32Exception(status);
}
_traceHandle = new TraceSafeHandle(unsafeTraceHandle);
_processEventsDelgate = ProcessTraceInBackground;
_asyncResult = _processEventsDelgate.BeginInvoke(_traceHandle, null, _processEventsDelgate);
}