Test failure:System.Diagnostics.Metrics.Tests.MetricEventSourceTests.EventSourcePublishesTimeSeriesWithMetadata

[VincentBu]

Run: runtime 20210707.124
Failed test:

net6.0-Linux-Release-arm64-CoreCLR_checked-(Alpine.312.Arm64.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm64v8-20200602002604-25f8a3e

- System.Diagnostics.Metrics.Tests.MetricEventSourceTests.EventSourcePublishesTimeSeriesWithMetadata

Error message

Unexpected Error event: An error occurred when writing to a listener.
at System.Diagnostics.Tracing.EventSource.DispatchToAllListeners(EventWrittenEventArgs eventCallbackArgs) in //src/libraries/System.Private.CoreLib/src/System/Diagnostics/Tracing/EventSource.cs:line 2126
at System.Diagnostics.Tracing.EventSource.WriteEventVarargs(Int32 eventId, Guid* childActivityID, Object[] args) in //src/libraries/System.Private.CoreLib/src/System/Diagnostics/Tracing/EventSource.cs:line 1989
at System.Diagnostics.Tracing.EventSource.WriteEvent(Int32 eventId, Object[] args) in //src/libraries/System.Private.CoreLib/src/System/Diagnostics/Tracing/EventSource.cs:line 1399
at System.Diagnostics.Metrics.MetricsEventSource.CollectionStop(String sessionId, DateTime intervalStartTime, DateTime intervalEndTime) in //src/libraries/System.Diagnostics.DiagnosticSource/src/System/Diagnostics/Metrics/MetricsEventSource.cs:line 92
at System.Diagnostics.Metrics.MetricsEventSource.CommandHandler.<>c__DisplayClass2_0.<OnEventCommand>b__2(DateTime startIntervalTime, DateTime endIntervalTime) in //src/libraries/System.Diagnostics.DiagnosticSource/src/System/Diagnostics/Metrics/MetricsEventSource.cs:line 299
at System.Diagnostics.Metrics.AggregationManager.CollectWorker(CancellationToken cancelToken) in //src/libraries/System.Diagnostics.DiagnosticSource/src/System/Diagnostics/Metrics/AggregationManager.cs:line 196
Expected: True
Actual:   False


Stack trace
   at System.Diagnostics.Metrics.Tests.MetricsEventListener.AssertOnError() in /_/src/libraries/System.Diagnostics.DiagnosticSource/tests/MetricEventSourceTests.cs:line 1005
   at System.Diagnostics.Metrics.Tests.MetricsEventListener.GetCountCollectionStops() in /_/src/libraries/System.Diagnostics.DiagnosticSource/tests/MetricEventSourceTests.cs:line 1014
   at System.Diagnostics.Metrics.Tests.MetricsEventListener.WaitForCollectionStop(TimeSpan timeout, Int32 numStops) in /_/src/libraries/System.Diagnostics.DiagnosticSource/tests/MetricEventSourceTests.cs:line 937
   at System.Diagnostics.Metrics.Tests.MetricEventSourceTests.EventSourcePublishesTimeSeriesWithMetadata() in /_/src/libraries/System.Diagnostics.DiagnosticSource/tests/MetricEventSourceTests.cs:line 75

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Issue Details

---

Run: runtime 20210707.124
Failed test:

net6.0-Linux-Release-arm64-CoreCLR_checked-(Alpine.312.Arm64.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm64v8-20200602002604-25f8a3e

- System.Diagnostics.Metrics.Tests.MetricEventSourceTests.EventSourcePublishesTimeSeriesWithMetadata

Error message

Unexpected Error event: An error occurred when writing to a listener.
at System.Diagnostics.Tracing.EventSource.DispatchToAllListeners(EventWrittenEventArgs eventCallbackArgs) in //src/libraries/System.Private.CoreLib/src/System/Diagnostics/Tracing/EventSource.cs:line 2126
at System.Diagnostics.Tracing.EventSource.WriteEventVarargs(Int32 eventId, Guid* childActivityID, Object[] args) in //src/libraries/System.Private.CoreLib/src/System/Diagnostics/Tracing/EventSource.cs:line 1989
at System.Diagnostics.Tracing.EventSource.WriteEvent(Int32 eventId, Object[] args) in //src/libraries/System.Private.CoreLib/src/System/Diagnostics/Tracing/EventSource.cs:line 1399
at System.Diagnostics.Metrics.MetricsEventSource.CollectionStop(String sessionId, DateTime intervalStartTime, DateTime intervalEndTime) in //src/libraries/System.Diagnostics.DiagnosticSource/src/System/Diagnostics/Metrics/MetricsEventSource.cs:line 92
at System.Diagnostics.Metrics.MetricsEventSource.CommandHandler.<>c__DisplayClass2_0.<OnEventCommand>b__2(DateTime startIntervalTime, DateTime endIntervalTime) in //src/libraries/System.Diagnostics.DiagnosticSource/src/System/Diagnostics/Metrics/MetricsEventSource.cs:line 299
at System.Diagnostics.Metrics.AggregationManager.CollectWorker(CancellationToken cancelToken) in //src/libraries/System.Diagnostics.DiagnosticSource/src/System/Diagnostics/Metrics/AggregationManager.cs:line 196
Expected: True
Actual:   False


Stack trace
   at System.Diagnostics.Metrics.Tests.MetricsEventListener.AssertOnError() in /_/src/libraries/System.Diagnostics.DiagnosticSource/tests/MetricEventSourceTests.cs:line 1005
   at System.Diagnostics.Metrics.Tests.MetricsEventListener.GetCountCollectionStops() in /_/src/libraries/System.Diagnostics.DiagnosticSource/tests/MetricEventSourceTests.cs:line 1014
   at System.Diagnostics.Metrics.Tests.MetricsEventListener.WaitForCollectionStop(TimeSpan timeout, Int32 numStops) in /_/src/libraries/System.Diagnostics.DiagnosticSource/tests/MetricEventSourceTests.cs:line 937
   at System.Diagnostics.Metrics.Tests.MetricEventSourceTests.EventSourcePublishesTimeSeriesWithMetadata() in /_/src/libraries/System.Diagnostics.DiagnosticSource/tests/MetricEventSourceTests.cs:line 75

Author:	VincentBu
Assignees:	-
Labels:	arch-arm64, area-System.Diagnostics.Tracing, os-linux, untriaged
Milestone:	-

[tarekgh]

@noahfalk looks we have issue in general on Linux arm architecture.

[noahfalk]

Thanks @tarekgh, I'll look into this today. If anyone is seeing this failure in the PRs I think it is safe to assume it is a test failure and can be ignored.