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Make BinderEventListener not listen to TplEventSource#45570

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sywhang:dev/suwhang/37132
Dec 4, 2020
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Make BinderEventListener not listen to TplEventSource#45570
2 commits merged intodotnet:masterfrom
sywhang:dev/suwhang/37132

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@sywhang
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@sywhang sywhang commented Dec 3, 2020 •
edited by hoyosjs
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Fix #37132.
Fix #45088

Note: there is an actual product issue here that is related to a deadlock that can occur from using EventListeners to listen to TplEventSource. I will file a separate issue to track the EventListener deadlock bug.

In the meantime, this changes BinderEventListener to not listen for TplEventSource which shouldn't be necessary for these tests (the EventListener doesn't check any payload from TplEventSource).

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ghost commented Dec 3, 2020

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Issue Details

Fix #37132.

Note: there is an actual product issue here that is related to a deadlock that can occur from using EventListeners to listen to TplEventSource. I will file a separate issue to track the EventListener deadlock bug.

In the meantime, this changes BinderEventListener to not listen for TplEventSource which shouldn't be necessary for these tests (the EventListener doesn't check any payload from TplEventSource).

Author: sywhang
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area-AssemblyLoader-coreclr
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sywhang commented Dec 3, 2020

#45571 tracks the EventListener bug.

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hoyosjs commented Dec 3, 2020 •
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As long as it's not needed - which @elinor-fung would know better - LGTM. I don't expect any async/task/parallel info to be needed for loading/binding.

@sywhang sywhang requested a review from vitek-karas December 3, 2020 23:53
elinor-fung
elinor-fung approved these changes Dec 4, 2020
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It should not be needed. When the tests were first added, the listener enabled the TPL event source as a (roundabout) way to enable the managed ActivityTracker, but that has since been handled by the assembly loader tracing.

Thanks @sywhang and @hoyosjs!

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ghost commented Dec 4, 2020

Hello @hoyosjs!

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@ghost ghost merged commit f81e708 into dotnet:master Dec 4, 2020
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@hoyosjs hoyosjs hoyosjs approved these changes

@elinor-fung elinor-fung elinor-fung approved these changes

@vitek-karas vitek-karas Awaiting requested review from vitek-karas

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Test failure: Loader/binding/tracing/BinderTracingTest.Basic/BinderTracingTest.Basic.sh BinderTracingTest.ResolutionFlow.cmd timed out

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