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During the build meson attempts to distribute the workload of multiple sub-projects across all available CPUs and parallelize each build within those projects, resulting in an NxN task generation. This process could potentially overload the CI systems, leading to potential failures (see for example issue #202). To mitigate this, always use --jobs=1 during the CI run, which serializes the build of sub-projects and restricts the level of parallelization to N. Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
66 lines
2.7 KiB
YAML
66 lines
2.7 KiB
YAML
name: build-scheds
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run-name: ${{ github.actor }} PR run
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on: [pull_request]
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jobs:
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build-schedulers:
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runs-on: ubuntu-22.04
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steps:
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### OTHER REPOS ####
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# Hard turn-off interactive mode
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- run: echo 'debconf debconf/frontend select Noninteractive' | sudo debconf-set-selections
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# Refresh packages list
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- run: sudo apt update
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### DOWNLOAD AND INSTALL DEPENDENCIES ###
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# Download dependencies packaged by Ubuntu
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- run: sudo apt -y install bison busybox-static cargo cmake coreutils cpio elfutils file flex gcc git iproute2 jq kbd kmod libcap-dev libelf-dev libunwind-dev libvirt-clients libzstd-dev linux-headers-generic linux-tools-common linux-tools-generic make ninja-build pahole pkg-config python3-dev python3-pip python3-requests qemu-kvm rsync rustc udev zstd
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# clang 17
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# Use a custom llvm.sh script which includes the -y flag for
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# add-apt-repository. Otherwise, the CI job will hang. If and when
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# https://github.com/opencollab/llvm-jenkins.debian.net/pull/26 is
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# merged, we can go back to using https://apt.llvm.org/llvm.sh.
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- run: wget https://raw.githubusercontent.com/Decave/llvm-jenkins.debian.net/fix_llvmsh/llvm.sh
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- run: chmod +x llvm.sh
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- run: sudo ./llvm.sh all
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- run: sudo ln -sf /usr/bin/clang-17 /usr/bin/clang
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- run: sudo ln -sf /usr/bin/llvm-strip-17 /usr/bin/llvm-strip
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- uses: actions/checkout@v4
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# meson
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- run: pip install meson
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# Install virtme-ng
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- run: pip install virtme-ng
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# Get the latest sched-ext enabled kernel directly from the git
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# repository (try the sched_ext-ci branch first, if it doesn't exist use
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# sched_ext)
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- run: git clone --single-branch -b sched_ext-ci --depth 1 https://github.com/sched-ext/sched_ext.git linux || git clone --single-branch -b sched_ext --depth 1 https://github.com/sched-ext/sched_ext.git linux
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# Print the latest commit of the checked out sched-ext kernel
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- run: cd linux && git log -1 --pretty=format:"%h %ad %s" --date=short
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# Build a minimal kernel (with sched-ext enabled) using virtme-ng
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- run: cd linux && vng -v --build --config .github/workflows/sched-ext.config
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# Generate kernel headers
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- run: cd linux && make headers
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### END DEPENDENCIES ###
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# The actual build:
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- run: meson setup build -Dkernel=$(pwd)/linux -Dkernel_headers=./linux/usr/include
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- run: meson compile -C build --jobs=1
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# Print CPU model before running the tests (this can be useful for
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# debugging purposes)
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- run: grep 'model name' /proc/cpuinfo | head -1
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# Test schedulers
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- run: meson compile -C build test_sched
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