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Make BinderEventListener not listen to TplEventSource #45570

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Dec 4, 2020

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sywhang
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@sywhang sywhang commented Dec 3, 2020

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

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.

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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!

Because this pull request has the auto-merge label, I will be glad to assist with helping to merge this pull request once all check-in policies pass.

p.s. you can customize the way I help with merging this pull request, such as holding this pull request until a specific person approves. Simply @mention me (@msftbot) and give me an instruction to get started! Learn more here.

@ghost ghost merged commit f81e708 into dotnet:master Dec 4, 2020
@ghost ghost locked as resolved and limited conversation to collaborators Jan 3, 2021
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