test-kernel.yml

name: test-kernel
run-name: ${{ github.actor }} PR run
on: [pull_request]
jobs:
  test-schedulers:
    runs-on: ubuntu-22.04
    steps:
      ### OTHER REPOS ####

      # Hard turn-off interactive mode
      - run: echo 'debconf debconf/frontend select Noninteractive' | sudo debconf-set-selections

      # Refresh packages list
      - run: sudo apt update

      ### DOWNLOAD AND INSTALL DEPENDENCIES ###

      # Download dependencies packaged by Ubuntu
      - run: sudo apt -y install bc gcc make git coreutils cmake elfutils libelf-dev libunwind-dev libzstd-dev linux-headers-generic linux-tools-common linux-tools-generic ninja-build python3-pip python3-requests qemu-kvm udev iproute2 busybox-static libvirt-clients kbd kmod file rsync zstd pahole flex bison cpio libcap-dev libelf-dev python3-dev cargo rustc gcc-multilib

      # clang 17
      # Use a custom llvm.sh script which includes the -y flag for
      # add-apt-repository. Otherwise, the CI job will hang. If and when
      # https://github.com/opencollab/llvm-jenkins.debian.net/pull/26 is
      # merged, we can go back to using https://apt.llvm.org/llvm.sh.
      - run: wget https://raw.githubusercontent.com/Byte-Lab/llvm-jenkins.debian.net/fix_llvmsh/llvm.sh
      - run: chmod +x llvm.sh
      - run: sudo ./llvm.sh all
      - run: sudo ln -sf /usr/bin/clang-17 /usr/bin/clang
      - run: sudo ln -sf /usr/bin/llvm-strip-17 /usr/bin/llvm-strip

      # Checkout repository
      - uses: actions/checkout@v4

      # Install virtme-ng
      - run: pip install virtme-ng

      ### END DEPENDENCIES ###

      # Build a minimal kernel (with sched-ext enabled) using virtme-ng
      - run: vng -v --build --config .github/workflows/sched-ext.config

      # Build the selftests suite
      - run: make -j $(nproc) -C tools/testing/selftests/sched_ext

      # Build the in-kernel schedulers
      - run: make -j $(nproc) -C tools/sched_ext

      # Test the schedulers inside the recompile kernel
      - run: .github/workflows/run-schedulers