[6.2] Testing: Run all test SPM executable actions in a operation queue (#9243) #9266
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
…iftlang#9243) Add an operation queue around execution of swiftPM process execution. **swift-testing** based test will run all tests in parallel at the same time, causing each invocation to spawn a process which will then spawn many other subprocesses. This is compounded by tests that use arguments, as each combination will create another test that will run in parallel. These leads to a process bomb consuming all CPU and causes massive I/O blocking. Add a limit to how many swiftPM top level processes can run at the same time during testing. This is similar behaviour to XCtest based testing with the **--num-workers** option limiting the number of occurrent tests.
| @swift-ci test |
| @swift-ci test windows |
rconnell9 approved these changes Oct 21, 2025
| @swift-ci test windows |
plemarquand changed the title 
jakepetroules approved these changes Oct 21, 2025
| @swift-ci test windows platform |
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
3 participants
Add this suggestion to a batch that can be applied as a single commit. This suggestion is invalid because no changes were made to the code. Suggestions cannot be applied while the pull request is closed. Suggestions cannot be applied while viewing a subset of changes. Only one suggestion per line can be applied in a batch. Add this suggestion to a batch that can be applied as a single commit. Applying suggestions on deleted lines is not supported. You must change the existing code in this line in order to create a valid suggestion. Outdated suggestions cannot be applied. This suggestion has been applied or marked resolved. Suggestions cannot be applied from pending reviews. Suggestions cannot be applied on multi-line comments. Suggestions cannot be applied while the pull request is queued to merge. Suggestion cannot be applied right now. Please check back later.
Cherry pick of b16bb8f
Add an operation queue around execution of swiftPM process execution.