internal static void MarshalToNative(EventPipeProviderConfiguration managed, ref EventPipeProviderConfigurationNative native)
{
native.m_pProviderName = (char *)Marshal.StringToCoTaskMemUni(managed.ProviderName);
native.m_keywords = managed.Keywords;
native.m_loggingLevel = managed.LoggingLevel;
native.m_pFilterData = (char *)Marshal.StringToCoTaskMemUni(managed.FilterData);
}
private void CommitDispatchConfiguration()
{
Debug.Assert(Monitor.IsEntered(m_dispatchControlLock));
// Ensure that the dispatch task is stopped.
// This is a no-op if the task is already stopped.
StopDispatchTask();
// Stop tracing.
// This is a no-op if it's already disabled.
EventPipeInternal.Disable(m_sessionID);
// Check to see if tracing should be enabled.
if (m_subscriptions.Count <= 0)
{
return;
}
// Determine the keywords and level that should be used based on the set of enabled EventListeners.
EventKeywords aggregatedKeywords = EventKeywords.None;
EventLevel highestLevel = EventLevel.LogAlways;
foreach (EventListenerSubscription subscription in m_subscriptions.Values)
{
aggregatedKeywords |= subscription.MatchAnyKeywords;
highestLevel = (subscription.Level > highestLevel) ? subscription.Level : highestLevel;
}
// Enable the EventPipe session.
EventPipeProviderConfiguration[] providerConfiguration = new EventPipeProviderConfiguration[]
{
new EventPipeProviderConfiguration(RuntimeEventSource.EventSourceName, (ulong)aggregatedKeywords, (uint)highestLevel, null)
};
m_sessionID = EventPipeInternal.Enable(null, 1024, 1, providerConfiguration, 1, 0);
Debug.Assert(m_sessionID != 0);
// Get the session information that is required to properly dispatch events.
EventPipeSessionInfo sessionInfo;
unsafe
{
if (!EventPipeInternal.GetSessionInfo(m_sessionID, &sessionInfo))
{
Debug.Assert(false, "GetSessionInfo returned false.");
}
}
m_syncTimeUtc = DateTime.FromFileTimeUtc(sessionInfo.StartTimeAsUTCFileTime);
m_syncTimeQPC = sessionInfo.StartTimeStamp;
m_timeQPCFrequency = sessionInfo.TimeStampFrequency;
// Start the dispatch task.
StartDispatchTask();
}
private void CommitDispatchConfiguration()
{
// Ensure that the dispatch task is stopped.
// This is a no-op if the task is already stopped.
StopDispatchTask();
// Stop tracing.
// This is a no-op if it's already disabled.
EventPipeInternal.Disable();
// Check to see if tracing should be enabled.
if (m_subscriptions.Count <= 0)
{
return;
}
// Start collecting events.
EventKeywords aggregatedKeywords = EventKeywords.None;
EventLevel highestLevel = EventLevel.LogAlways;
foreach (EventListenerSubscription subscription in m_subscriptions.Values)
{
aggregatedKeywords |= subscription.MatchAnyKeywords;
highestLevel = (subscription.Level > highestLevel) ? subscription.Level : highestLevel;
}
EventPipeProviderConfiguration[] providerConfiguration = new EventPipeProviderConfiguration[]
{
new EventPipeProviderConfiguration(RuntimeEventSource.EventSourceName, (ulong)aggregatedKeywords, (uint)highestLevel)
};
EventPipeInternal.Enable(null, 1024, 1, providerConfiguration, 1);
// Start the dispatch task.
StartDispatchTask();
}
private void EnableProviderConfiguration(EventPipeProviderConfiguration providerConfig)
{
m_providers.Add(providerConfig);
}
