bpf-next-test #106
This file contains 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
| name: bpf-next-test | |
| on: | |
| # only runs on main, every 6 hours | |
| schedule: | |
| - cron: "0 */6 * * *" | |
| # if development becomes intertwined, | |
| # fold this into a matrix on the main job | |
| # bpf-next == do everything the same but w/ | |
| # bpf-next bzImage. | |
| jobs: | |
| build-kernel: | |
| runs-on: ubuntu-24.04 | |
| steps: | |
| # prevent cache permission errors | |
| - run: sudo chown root /usr/bin/tar && sudo chmod u+s /usr/bin/tar | |
| # redundancy to exit fast | |
| - run: echo 'debconf debconf/frontend select Noninteractive' | sudo debconf-set-selections | |
| - run: sudo apt-get update | |
| - run: sudo apt-get 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/bpf/bpf-next.git heads/for-next | awk '{print $1}')" >> $GITHUB_ENV | |
| - uses: actions/checkout@v4 | |
| # use cached kernel if available, create after job if not | |
| - name: Cache Kernel | |
| id: cache-kernel | |
| uses: actions/cache@v4 | |
| with: | |
| path: | | |
| linux/arch/x86/boot/bzImage | |
| linux/usr/include | |
| linux/**/*.h | |
| key: kernel-build-${{ env.SCHED_EXT_KERNEL_COMMIT }}-bpf | |
| - if: ${{ steps.cache-kernel.outputs.cache-hit != 'true' }} | |
| uses: ./.github/actions/install-deps-action | |
| # cache virtiofsd (goes away w/ 24.04) | |
| - name: Cache virtiofsd | |
| id: cache-virtiofsd | |
| uses: actions/cache@v4 | |
| with: | |
| path: | | |
| /usr/lib/virtiofsd | |
| key: virtiofsd-binary | |
| - if: ${{ steps.cache-virtiofsd.outputs.cache-hit != 'true' && steps.cache-kernel.outputs.cache-hit != 'true' }} | |
| run: cargo install virtiofsd && sudo cp -a ~/.cargo/bin/virtiofsd /usr/lib/ | |
| - 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/bpf/bpf-next.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-24.04 | |
| needs: build-kernel | |
| strategy: | |
| matrix: | |
| scheduler: [ scx_bpfland, scx_lavd, scx_layered, scx_rlfifo, scx_rustland, scx_rusty ] | |
| fail-fast: false | |
| steps: | |
| # prevent cache permission errors | |
| - run: sudo chown root /usr/bin/tar && sudo chmod u+s /usr/bin/tar | |
| - uses: actions/checkout@v4 | |
| - uses: Swatinem/rust-cache@v2 | |
| with: | |
| key: ${{ matrix.scheduler }} | |
| prefix-key: "4" | |
| - uses: ./.github/actions/install-deps-action | |
| # cache virtiofsd (goes away w/ 24.04) | |
| - name: Cache virtiofsd | |
| id: cache-virtiofsd | |
| uses: actions/cache@v4 | |
| with: | |
| path: | | |
| /usr/lib/virtiofsd | |
| key: virtiofsd-binary | |
| - if: ${{ steps.cache-virtiofsd.outputs.cache-hit != 'true' }} | |
| run: cargo install virtiofsd && sudo cp -a ~/.cargo/bin/virtiofsd /usr/lib/ | |
| # get latest head commit of sched_ext for-next | |
| - run: echo "SCHED_EXT_KERNEL_COMMIT=$(git ls-remote https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git heads/for-next | awk '{print $1}')" >> $GITHUB_ENV | |
| # use cached kernel if available, create after job if not | |
| - name: Cache Kernel | |
| id: cache-kernel | |
| uses: actions/cache@v4 | |
| with: | |
| path: | | |
| linux/arch/x86/boot/bzImage | |
| linux/usr/include | |
| linux/**/*.h | |
| key: kernel-build-${{ env.SCHED_EXT_KERNEL_COMMIT }}-bpf | |
| # 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=../linux/arch/x86/boot/bzImage -Dkernel_headers=../linux -Denable_stress=true -Dvng_rw_mount=true | |
| - run: meson compile -C build ${{ matrix.scheduler }} | |
| # Print CPU model before running the tests (this can be useful for | |
| # debugging purposes) | |
| - run: grep 'model name' /proc/cpuinfo | head -1 | |
| # Test schedulers | |
| - run: meson compile -C build test_sched_${{ matrix.scheduler }} | |
| # this is where errors we want logs on start occurring, so always generate debug info and save logs | |
| if: always() | |
| # Stress schedulers | |
| - uses: cytopia/[email protected] | |
| name: stress test | |
| if: always() | |
| with: | |
| retries: 3 | |
| command: meson compile -C build stress_tests_${{ matrix.scheduler }} | |
| - run: meson compile -C build veristat_${{ matrix.scheduler }} | |
| if: always() | |
| - run: sudo cat /var/log/dmesg > host-dmesg.ci.log | |
| if: always() | |
| - run: mkdir -p ./log_save/ | |
| if: always() | |
| # no symlink following here (to avoid cycles) | |
| - run: sudo find '/home/runner/' -iname '*.ci.log' -exec mv {} ./log_save/ \; | |
| if: always() | |
| - name: upload debug logs, bpftrace, veristat, dmesg, etc. | |
| if: always() | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: ${{ matrix.scheduler }}_logs_${{ github.run_id }}_${{ github.run_attempt }} | |
| path: ./log_save/*.ci.log | |
| # it's all txt files w/ 90 day retention, lets be nice. | |
| compression-level: 9 | |