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[browser][MT] fix library tests, remove MonoWasmBuildVariant=perftrace #87549

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merged 4 commits into from
Jun 20, 2023
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[browser][MT] fix library tests, remove MonoWasmBuildVariant=perftrace #87549

merged 4 commits into from
Jun 20, 2023

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@pavelsavara pavelsavara commented Jun 14, 2023 •
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Multi-threading tests:

  • fix the msbuild scripts to detect MT build when building library tests and set
  • disable V8 and NodeJS for threading tests
  • removed perftrace runtime flavor
  • removed MonoWasmBuildVariant==perftrace
  • made IsThreadingSupported respect build flavor via IsBrowserThreadingSupported and --use-threads
  • removed most of event-pipe wasm sample
  • removed DISABLE_WASM_USER_THREADS and MonoWasmThreadsNoUser
  • fixed mono_wasm_execute_timer for WS without Main
  • added COOP into SimpleServer
  • fixed problem with SharedArrayBuffer in WS

This PR is not fixing tests which are actually broken, they are on optional CI pipeline, which doesn't fail the build.

@pavelsavara pavelsavara added arch-wasm WebAssembly architecture area-VM-threading-mono labels Jun 14, 2023
@pavelsavara pavelsavara added this to the 8.0.0 milestone Jun 14, 2023
@pavelsavara pavelsavara self-assigned this Jun 14, 2023
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ghost commented Jun 14, 2023

Tagging subscribers to 'arch-wasm': @lewing
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Issue Details

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Author: pavelsavara
Assignees: pavelsavara
Labels:

arch-wasm, area-VM-threading-mono
Milestone: 8.0.0

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/azp run runtime-wasm-libtests

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/azp run runtime-wasm

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At least some lib tests are passing on MT, for example
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V8 doesnn't have threads and EventTarget class, we should run all tests on the browser.
NodeJS is failing with #87556 and we should disable it for now.

This was referenced Jun 14, 2023
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/azp run runtime-wasm

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/azp run runtime-wasm

@pavelsavara pavelsavara marked this pull request as ready for review June 19, 2023 11:01
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@pavelsavara pavelsavara requested a review from lewing June 19, 2023 11:01
@pavelsavara
- rebased
7028044 
- removed perftrace runtime flavor
- removed MonoWasmBuildVariant==perftrace
- made IsThreadingSupported respect build flavor via IsBrowserThreadingSupported and --use-threads
- removed most of event-pipe wasm sample
- removed DISABLE_WASM_USER_THREADS and MonoWasmThreadsNoUser
- fixed mono_wasm_execute_timer for WS without Main
- added COOP into SimpleServer
- fixed problem with SharedArrayBuffer in WS
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/azp run runtime-wasm

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@pavelsavara pavelsavara changed the title [browser][MT] fix library tests [browser][MT] fix library tests, remove MonoWasmBuildVariant=perftrace Jun 19, 2023
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/azp run runtime-wasm

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/azp run runtime-wasm

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@pavelsavara @radical - do we need any corresponding changes in any performance pipelines/lanes ?

This was referenced Jun 20, 2023
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maraf
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@pavelsavara @radical - do we need any corresponding changes in any performance pipelines/lanes ?

@SamMonoRT , this PR is removing perftrace build flavor, which is very similar to /p:MonoWasmBuildVariant=multithread.It doesn't have user threads only dedicated diagnostic thread.

I think we don't have any performance pipelines/lanes for multi-threaded build flavor yet, right ?
We will eventually need such lane for /p:MonoWasmBuildVariant=multithread, but right now, we don't pass enough unit tests yet on this flavor.

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/azp run runtime-wasm

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pavelsavara commented Jun 20, 2023 •
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Here are MT test failures this uncovered

Timeout probably because of the sample setup.
Wasm.Browser.EventPipe.Sample

Maybe we need bigger thread pool or something is eating/leaking the threads.
ThreadStartException: Thread failed to start.
System.Threading.Tasks.Tests
System.Transactions.Local.Tests
System.Threading.Tests

System.Threading.Tests.TimerFiringTests.ManyTimers_EachTimerDoesFire [10:42:43] info: Not all timers fired, 10000 left of 10000
When main thread blocks with .Wait timers and GC doesn't work.
System.Threading.Timer.Tests

@pavelsavara pavelsavara merged commit 1784251 into dotnet:main Jun 20, 2023
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@lambdageek lambdageek mentioned this pull request Jun 20, 2023
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pavelsavara added a commit to pavelsavara/runtime that referenced this pull request Jun 21, 2023
@pavelsavara
fix bug introduced in dotnet#87549
18ccbe2
@pavelsavara pavelsavara mentioned this pull request Jun 21, 2023
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@ghost ghost locked as resolved and limited conversation to collaborators Jul 20, 2023
@pavelsavara pavelsavara deleted the browser_mt_tests branch September 2, 2024 15:30
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@kg kg kg approved these changes

@lambdageek lambdageek lambdageek approved these changes

@maraf maraf maraf approved these changes

@radical radical Awaiting requested review from radical

@lewing lewing Awaiting requested review from lewing lewing is a code owner

@thaystg thaystg Awaiting requested review from thaystg thaystg is a code owner

@vargaz vargaz Awaiting requested review from vargaz

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@pavelsavara @SamMonoRT @radical @kg @lambdageek @maraf