jpmschweitzerandClaude Opus 4.8
4b55bc23f1
The freeze diagnosis (T-424) was going to need a dedicated Windows VM to soak- test. It doesn't: GitHub's windows-latest already runs our ConPTY suite green, and tools/windows-verify/soak-conpty.ps1 detects the leak by counting the conhost/OpenConsole hosts that survive each run — it never tries to crash the box, so a throwaway runner works. The repeated runs happen inside one job, so the orphan count can climb there even though the runner is discarded after. New windows-soak.yml: workflow_dispatch + triggers when the soak kit changes. Diagnostic only (always exits 0); publishes the verdict to the job summary and uploads the CSV. This removes the GCP/VM requirement from the human entirely. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
60 lines
2.3 KiB
YAML
60 lines
2.3 KiB
YAML
name: windows-soak
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# ConPTY orphan-leak soak on a GitHub-hosted Windows runner — the cheap
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# alternative to a dedicated Windows VM. The freeze hypothesis (T-424) is that
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# each WindowsPty.start() leaks its conhost/OpenConsole host because the child
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# is not in a kill-on-close Job Object; across many runs those hosts pile up
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# until the box starves. tools/windows-verify/soak-conpty.ps1 reproduces that
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# WITHOUT crashing: it runs the ConPTY suite many times IN ONE job and counts
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# the hosts that survive each dart.exe exit. A throwaway runner is fine — we
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# watch the accumulation (the leading indicator), not the reboot. The repeated
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# runs happen inside this single job, so the leak can build up here even though
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# the runner is discarded afterwards (cf. the note in windows.yml, which only
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# runs the suite once).
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#
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# Diagnostic, never a gate: it always exits 0 and just publishes the verdict +
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# CSV. Runs on demand (workflow_dispatch) and when the soak kit itself changes.
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on:
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workflow_dispatch:
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inputs:
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iterations:
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description: How many times to run the ConPTY suite
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default: "25"
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push:
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branches: [windows-support]
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paths:
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- tools/windows-verify/**
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- .github/workflows/windows-soak.yml
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jobs:
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conpty-soak:
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runs-on: windows-latest
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timeout-minutes: 30
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steps:
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- uses: actions/checkout@v4
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- uses: subosito/flutter-action@v2
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with:
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channel: stable
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- run: flutter --version
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- run: flutter pub get
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- name: ConPTY orphan-leak soak
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shell: pwsh
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run: |
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$iters = "${{ github.event.inputs.iterations }}"
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if (-not $iters) { $iters = "25" }
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tools/windows-verify/soak-conpty.ps1 -Iterations ([int]$iters) -OutDir "$env:GITHUB_WORKSPACE/soak-out"
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- name: Publish verdict to job summary
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if: always()
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shell: pwsh
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run: |
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$s = Get-ChildItem "$env:GITHUB_WORKSPACE/soak-out/*.summary.txt" -ErrorAction SilentlyContinue | Select-Object -First 1
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if ($s) { Get-Content $s.FullName | Add-Content $env:GITHUB_STEP_SUMMARY }
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- name: Upload soak CSV + summary
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if: always()
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uses: actions/upload-artifact@v4
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with:
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name: conpty-soak
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path: soak-out
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if-no-files-found: warn
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