feat(worker): add inclusive L1 DRAM over L2 NVMe #34
Workflow file for this run
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| # Capability probe: does the CI runner support io_uring? | |
| # | |
| # DESIGN.md targets a thread-per-core io_uring (monoio) data plane (#273). Before | |
| # any migration lands, we need to know whether GitHub-hosted runners can execute | |
| # io_uring at all — kernel support, the io_uring_disabled sysctl, and seccomp | |
| # filtering are all independent gates, and a container can satisfy the first two | |
| # while still blocking the syscall. | |
| # | |
| # This job is informational (continue-on-error) and reports to the job summary. | |
| # It never gates a merge; its purpose is to answer a design question with data. | |
| name: io_uring probe | |
| on: | |
| workflow_dispatch: | |
| pull_request: | |
| paths: | |
| - '.github/workflows/iouring-probe.yml' | |
| - 'crates/talon-transport/**' | |
| - 'crates/talon-worker/**' | |
| permissions: | |
| contents: read | |
| jobs: | |
| probe: | |
| name: io_uring capability | |
| runs-on: ubuntu-latest | |
| continue-on-error: true | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Kernel and sysctl surface | |
| run: | | |
| { | |
| echo "## io_uring capability probe" | |
| echo | |
| echo '### Environment' | |
| echo '```' | |
| echo "kernel: $(uname -r)" | |
| echo "arch: $(uname -m)" | |
| echo "nproc: $(nproc)" | |
| if [ -r /proc/sys/kernel/io_uring_disabled ]; then | |
| echo "io_uring_disabled: $(cat /proc/sys/kernel/io_uring_disabled) (0=enabled 1=restricted 2=disabled)" | |
| else | |
| echo "io_uring_disabled: (knob absent — kernel predates it, syscall likely allowed)" | |
| fi | |
| echo "seccomp: $(grep -E '^Seccomp:' /proc/self/status || echo unknown)" | |
| echo "container: $([ -f /.dockerenv ] && echo yes || echo no)" | |
| echo '```' | |
| } >> "$GITHUB_STEP_SUMMARY" | |
| - name: Probe io_uring from Rust (monoio) | |
| id: probe | |
| run: | | |
| set +e | |
| out=$(cargo run --quiet --release --manifest-path .github/probe/Cargo.toml 2>&1) | |
| code=$? | |
| echo "$out" | |
| { | |
| echo | |
| echo '### Probe output' | |
| echo '```' | |
| echo "$out" | |
| echo '```' | |
| echo | |
| if echo "$out" | grep -q 'PROBE_RESULT=SUPPORTED'; then | |
| echo '**Result: io_uring is SUPPORTED on this runner.**' | |
| echo | |
| echo 'A monoio data-plane migration can be exercised directly in CI.' | |
| else | |
| echo '**Result: io_uring is NOT usable on this runner** (exit code '"$code"').' | |
| echo | |
| echo 'A monoio data plane would need to be feature-gated, with CI' | |
| echo 'compiling but not executing it, and correctness verified on' | |
| echo 'self-hosted or production hardware.' | |
| fi | |
| } >> "$GITHUB_STEP_SUMMARY" | |
| exit 0 |