build-and-test #49
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| name: caching-build | |
| on: | |
| # only runs on main, hourly cache update used by all branches | |
| schedule: | |
| - cron: "0 * * * *" | |
| push: | |
| jobs: | |
| build-kernel: | |
| runs-on: ubuntu-22.04 | |
| steps: | |
| # redundancy to exit fast | |
| - run: echo 'debconf debconf/frontend select Noninteractive' | sudo debconf-set-selections | |
| - run: sudo apt update | |
| - run: sudo apt install -y git --no-install-recommends | |
| # get latest head commit of sched_ext for-next | |
| - run: echo "SCHED_EXT_KERNEL_COMMIT=$(git ls-remote https://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext.git heads/for-next | awk '{print $1}')" >> $GITHUB_ENV | |
| - uses: actions/checkout@v4 | |
| # use cached kernel if available, create after job if not | |
| - name: Cache Kernel | |
| id: cache-kernel | |
| uses: actions/cache@v4 | |
| with: | |
| path: | | |
| linux | |
| key: ${{ env.SCHED_EXT_KERNEL_COMMIT }} | |
| - if: ${{ steps.cache-kernel.outputs.cache-hit != 'true' }} | |
| uses: ./.github/actions/install-deps-action | |
| # cache bzImage alone for rust tests (disk space limit workaround) | |
| - name: Cache bzImage | |
| id: cache-bzImage | |
| uses: actions/cache@v4 | |
| with: | |
| path: | | |
| linux/arch/x86/boot/bzImage | |
| key: ${{ env.SCHED_EXT_KERNEL_COMMIT }} | |
| - if: ${{ steps.cache-kernel.outputs.cache-hit != 'true' }} | |
| name: Clone Kernel | |
| # Get the latest sched-ext enabled kernel directly from the korg | |
| # for-next branch | |
| run: git clone --single-branch -b for-next --depth 1 https://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext.git linux | |
| # guard rail because we are caching | |
| - if: ${{ steps.cache-kernel.outputs.cache-hit != 'true' }} | |
| run: cd linux && git checkout ${{ env.SCHED_EXT_KERNEL_COMMIT }} | |
| - if: ${{ steps.cache-kernel.outputs.cache-hit != 'true' }} | |
| # Print the latest commit of the checked out sched-ext kernel | |
| run: cd linux && git log -1 --pretty=format:"%h %ad %s" --date=short | |
| - if: ${{ steps.cache-kernel.outputs.cache-hit != 'true' }} | |
| # Build a minimal kernel (with sched-ext enabled) using virtme-ng | |
| run: cd linux && vng -v --build --config ../.github/workflows/sched-ext.config | |
| - if: ${{ steps.cache-kernel.outputs.cache-hit != 'true' }} | |
| # Generate kernel headers | |
| run: cd linux && make headers | |
| integration-test: | |
| runs-on: ubuntu-22.04 | |
| needs: build-kernel | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - uses: ./.github/actions/install-deps-action | |
| # cache rust deps, invalidate when kernel commit changes | |
| # get latest head commit of sched_ext for-next | |
| - run: echo "SCHED_EXT_KERNEL_COMMIT=$(git ls-remote https://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext.git heads/for-next | awk '{print $1}')" >> $GITHUB_ENV | |
| # use cached kernel if available, create after job if not | |
| - name: Cache Kernel | |
| id: cache-kernel | |
| uses: actions/cache@v4 | |
| with: | |
| path: | | |
| linux | |
| key: ${{ env.SCHED_EXT_KERNEL_COMMIT }} | |
| # need to re-run job when kernel head changes between build and test running. | |
| - if: ${{ steps.cache-kernel.outputs.cache-hit != 'true' }} | |
| name: exit if cache stale | |
| run: exit -1 | |
| # veristat | |
| - run: wget https://github.com/libbpf/veristat/releases/download/v0.3.2/veristat-v0.3.2-amd64.tar.gz | |
| - run: tar -xvf veristat-v0.3.2-amd64.tar.gz && sudo cp veristat /usr/bin/ | |
| - run: sudo chmod +x /usr/bin/veristat && sudo chmod 755 /usr/bin/veristat | |
| # The actual build: | |
| - run: meson setup build -Dkernel=$(pwd)/linux -Dkernel_headers=./linux/usr/include -Denable_stress=true | |
| - run: meson compile -C build | |
| # Print CPU model before running the tests (this can be useful for | |
| # debugging purposes) | |
| - run: grep 'model name' /proc/cpuinfo | head -1 | |
| # Test schedulers | |
| - run: meson compile -C build test_sched | |
| # Stress schedulers | |
| - run: meson compile -C build stress_tests | |
| - run: meson compile -C build veristat | |
| rust-test: | |
| runs-on: ubuntu-22.04 | |
| needs: build-kernel | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - uses: ./.github/actions/install-deps-action | |
| # cache rust deps, invalidate when kernel commit changes | |
| # get latest head commit of sched_ext for-next | |
| - run: echo "SCHED_EXT_KERNEL_COMMIT=$(git ls-remote https://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext.git heads/for-next | awk '{print $1}')" >> $GITHUB_ENV | |
| # cache bzImage alone for rust tests | |
| - name: Cache bzImage | |
| id: cache-bzImage | |
| uses: actions/cache@v4 | |
| with: | |
| path: | | |
| linux/arch/x86/boot/bzImage | |
| key: ${{ env.SCHED_EXT_KERNEL_COMMIT }} | |
| # need to re-run job when kernel head changes between build and test running. | |
| - if: ${{ steps.cache-bzImage.outputs.cache-hit != 'true' }} | |
| name: exit if cache stale | |
| run: exit -1 | |
| - uses: Swatinem/rust-cache@v2 | |
| with: | |
| shared-key: ${{ env.SCHED_EXT_KERNEL_COMMIT }} | |
| workspaces: rust | |
| prefix-key: "1" | |
| - run: cargo build --manifest-path rust/Cargo.toml | |
| - run: cargo test --manifest-path rust/Cargo.toml --no-run | |
| - run: vng -v --memory 10G --cpu 8 --force-9p -r linux/arch/x86/boot/bzImage --net user -- cargo test --manifest-path rust/Cargo.toml |