chore: run `@rspack/cli`, `@rspack/tests` tests sequentially in wasm by CPunisher · Pull Request #13557 · web-infra-dev/rspack

CPunisher · 2026-03-31T10:56:26Z

Summary

I find that the flaky nearly goes if we sequentially runs two sets of tests (@rspack/cli, @rspack/tests).

The root cause neends further investigation.

Checklist

Tests updated (or not required).
Documentation updated (or not required).

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Pull request overview

Adds a debug hook to the reusable test workflow to help investigate WASM CI runs by invoking a tmate-based debugger action when the target is wasm32-wasip1-threads.

Changes:

Add a “Debug WASM” step in the reusable test workflow for the WASM target.
Invoke the repository’s debugger composite action as part of the WASM test job.

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github-actions · 2026-03-31T12:20:29Z

Rsdoctor Bundle Diff Analysis

Found 5 projects in monorepo, 0 projects with changes.

📊 Quick Summary

Project	Total Size	Change
react-10k	5.7 MB	0
react-1k	826.3 KB	0
react-5k	2.7 MB	0
rome	984.2 KB	0
ui-components	2.3 MB	0

Generated by Rsdoctor GitHub Action

codspeed-hq · 2026-03-31T12:21:37Z

Merging this PR will degrade performance by 4.11%

❌ 1 regressed benchmark
✅ 15 untouched benchmarks
⏩ 19 skipped benchmarks¹

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Mode	Benchmark	`BASE`	`HEAD`	Efficiency
❌	Simulation	`rust@create_chunk_ids`	10.3 ms	10.8 ms	-4.11%

_{Comparing 03-31-chore/debug-wasm (ee6658a) with main (19523a1)}

19 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

github-actions · 2026-03-31T12:24:29Z

📦 Binary Size-limit

Comparing ee6658a to refactor(split-chunks): reduce module group allocation churn (#13560) by harpsealjs

🎉 Size decreased by 7.34KB from 49.09MB to 49.08MB (⬇️0.01%)

This reverts commit c71dafe.

cloudflare-workers-and-pages · 2026-04-01T10:18:43Z

Deploying rspack with Cloudflare Pages

Latest commit:	`d0f4255`
Status:	✅ Deploy successful!
Preview URL:	https://f2cf7c70.rspack-v2.pages.dev
Branch Preview URL:	https://03-31-chore-debug-wasm.rspack-v2.pages.dev

View logs

…in wasm (#13557)" This reverts commit 0a7585a.

chore: add debugger action

573bf83

CPunisher changed the title ~~chore: add debugger action~~ chore: debug WASM CI Mar 31, 2026

github-actions Bot added the team The issue/pr is created by the member of Rspack. label Mar 31, 2026

CPunisher marked this pull request as ready for review March 31, 2026 12:09

CPunisher requested a review from stormslowly as a code owner March 31, 2026 12:09

Copilot AI review requested due to automatic review settings March 31, 2026 12:09

CPunisher marked this pull request as draft March 31, 2026 12:09

Copilot started reviewing on behalf of CPunisher March 31, 2026 12:10 View session

chore: add debugger action

c71dafe

chatgpt-codex-connector Bot reviewed Mar 31, 2026

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Comment thread .github/workflows/reusable-build-test.yml Outdated

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Comment thread .github/workflows/reusable-build-test.yml Outdated

Comment thread .github/workflows/reusable-build-test.yml Outdated

Revert "chore: add debugger action"

86da407

This reverts commit c71dafe.

CPunisher changed the title ~~chore: debug WASM CI~~ chore: enlarge tokio thread stack size for wasm Apr 1, 2026

CPunisher requested a review from hardfist April 1, 2026 06:51

CPunisher marked this pull request as ready for review April 1, 2026 06:51

CPunisher enabled auto-merge (squash) April 1, 2026 06:55

CPunisher marked this pull request as draft April 1, 2026 06:58

auto-merge was automatically disabled April 1, 2026 06:58
Pull request was converted to draft

CPunisher force-pushed the 03-31-chore/debug-wasm branch from c12abe5 to d0f4255 Compare April 1, 2026 10:18

chore: sequentially run wasm tests

ee6658a

CPunisher force-pushed the 03-31-chore/debug-wasm branch from d0f4255 to ee6658a Compare April 1, 2026 10:50

CPunisher changed the title ~~chore: enlarge tokio thread stack size for wasm~~ chore: run @rspack/cli, @rspack/tests tests sequentially in wasm Apr 1, 2026

CPunisher marked this pull request as ready for review April 1, 2026 11:36

CPunisher enabled auto-merge (squash) April 1, 2026 11:42

hardfist approved these changes Apr 1, 2026

View reviewed changes

CPunisher merged commit 0a7585a into main Apr 1, 2026
123 checks passed

CPunisher deleted the 03-31-chore/debug-wasm branch April 1, 2026 11:47

hardfist added a commit that referenced this pull request Apr 2, 2026

Revert "chore: run @rspack/cli, @rspack/tests tests sequentially …

8fa6b3f

…in wasm (#13557)" This reverts commit 0a7585a.

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chore: run `@rspack/cli`, `@rspack/tests` tests sequentially in wasm#13557

chore: run `@rspack/cli`, `@rspack/tests` tests sequentially in wasm#13557
CPunisher merged 4 commits intomainfrom
03-31-chore/debug-wasm

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Merging this PR will degrade performance by 4.11%

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