diff options
Diffstat (limited to 'src/mscorlib/src/System/Diagnostics/Eventing/EventSource_CoreCLR.cs')
| -rw-r--r-- | src/mscorlib/src/System/Diagnostics/Eventing/EventSource_CoreCLR.cs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Diagnostics/Eventing/EventSource_CoreCLR.cs b/src/mscorlib/src/System/Diagnostics/Eventing/EventSource_CoreCLR.cs index b691dd38b9..01aac72cf6 100644 --- a/src/mscorlib/src/System/Diagnostics/Eventing/EventSource_CoreCLR.cs +++ b/src/mscorlib/src/System/Diagnostics/Eventing/EventSource_CoreCLR.cs @@ -11,6 +11,13 @@ namespace System.Diagnostics.Tracing { public partial class EventSource { +#if FEATURE_MANAGED_ETW && FEATURE_PERFTRACING + // For non-Windows, we use a thread-local variable to hold the activity ID. + // On Windows, ETW has it's own thread-local variable and we participate in its use. + [ThreadStatic] + private static Guid s_currentThreadActivityId; +#endif // FEATURE_MANAGED_ETW && FEATURE_PERFTRACING + // ActivityID support (see also WriteEventWithRelatedActivityIdCore) /// <summary> /// When a thread starts work that is on behalf of 'something else' (typically another @@ -40,9 +47,13 @@ namespace System.Diagnostics.Tracing // We ignore errors to keep with the convention that EventSources do not throw errors. // Note we can't access m_throwOnWrites because this is a static method. +#if FEATURE_PERFTRACING + s_currentThreadActivityId = activityId; +#elif PLATFORM_WINDOWS if (UnsafeNativeMethods.ManifestEtw.EventActivityIdControl( UnsafeNativeMethods.ManifestEtw.ActivityControl.EVENT_ACTIVITY_CTRL_GET_SET_ID, ref activityId) == 0) +#endif // FEATURE_PERFTRACING { #if FEATURE_ACTIVITYSAMPLING var activityDying = s_activityDying; @@ -86,9 +97,14 @@ namespace System.Diagnostics.Tracing // We ignore errors to keep with the convention that EventSources do not throw errors. // Note we can't access m_throwOnWrites because this is a static method. +#if FEATURE_PERFTRACING + oldActivityThatWillContinue = s_currentThreadActivityId; + s_currentThreadActivityId = activityId; +#elif PLATFORM_WINDOWS UnsafeNativeMethods.ManifestEtw.EventActivityIdControl( UnsafeNativeMethods.ManifestEtw.ActivityControl.EVENT_ACTIVITY_CTRL_GET_SET_ID, ref oldActivityThatWillContinue); +#endif // FEATURE_PERFTRACING #endif // FEATURE_MANAGED_ETW // We don't call the activityDying callback here because the caller has declared that @@ -108,9 +124,13 @@ namespace System.Diagnostics.Tracing // errors. Note we can't access m_throwOnWrites because this is a static method. Guid retVal = new Guid(); #if FEATURE_MANAGED_ETW +#if FEATURE_PERFTRACING + retVal = s_currentThreadActivityId; +#elif PLATFORM_WINDOWS UnsafeNativeMethods.ManifestEtw.EventActivityIdControl( UnsafeNativeMethods.ManifestEtw.ActivityControl.EVENT_ACTIVITY_CTRL_GET_ID, ref retVal); +#endif // FEATURE_PERFTRACING #endif // FEATURE_MANAGED_ETW return retVal; } |