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caching-build.yml
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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}')" >> $GITHUB_ENV
- uses: actions/checkout@v4
# use cached kernel if available, create after job if not
- name: Cache Kernel
id: cache-kernel
uses: actions/cache@v4
with:
path: |
linux
key: kernel-build-${{ env.SCHED_EXT_KERNEL_COMMIT }}
- 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: ${{ steps.cache-virtiofsd.outputs.cache-hit != 'true' && steps.cache-kernel.outputs.cache-hit != 'true' }}
run: cargo install virtiofsd && sudo cp -a ~/.cargo/bin/virtiofsd /usr/lib/
# cache bzImage alone for rust tests (disk space limit workaround)
- name: Cache bzImage
id: cache-bzImage
uses: actions/cache@v4
with:
path: |
linux/arch/x86/boot/bzImage
key: kernel-bzImage-${{ 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
strategy:
matrix:
scheduler: [ scx_bpfland, scx_lavd, scx_layered, scx_rlfifo, scx_rustland, scx_rusty ]
steps:
- uses: actions/checkout@v4
- 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/tj/sched_ext.git heads/for-next | awk '{print $1}')" >> $GITHUB_ENV
# use cached kernel if available, create after job if not
- name: Cache Kernel
id: cache-kernel
uses: actions/cache@v4
with:
path: |
linux
key: kernel-build-${{ 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 ${{ matrix.scheduler }}
# Print CPU model before running the tests (this can be useful for
# debugging purposes)
- run: grep 'model name' /proc/cpuinfo | head -1
# Test schedulers
- run: meson compile -C build test_sched_${{ matrix.scheduler }}
# Stress schedulers
- uses: cytopia/[email protected]
name: stress test
with:
retries: 3
command: meson compile -C build stress_tests_${{ matrix.scheduler }}
- run: meson compile -C build veristat_${{ matrix.scheduler }}
rust-test-core:
runs-on: ubuntu-22.04
needs: build-kernel
strategy:
matrix:
component: [scx_loader, scx_rustland_core, scx_stats, scx_utils]
steps:
- uses: actions/checkout@v4
- 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/tj/sched_ext.git heads/for-next | awk '{print $1}')" >> $GITHUB_ENV
# cache bzImage alone for rust tests
- name: Cache bzImage
id: cache-bzImage
uses: actions/cache@v4
with:
path: |
linux/arch/x86/boot/bzImage
key: kernel-bzImage-${{ 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:
workspaces: rust
key: ${{ matrix.component }}
prefix-key: "1"
- run: cargo build --manifest-path rust/${{ matrix.component }}/Cargo.toml
- run: cargo test --manifest-path rust/${{ matrix.component }}/Cargo.toml --no-run
- run: vng -v --memory 10G --cpu 8 -r linux/arch/x86/boot/bzImage --net user -- cargo test --manifest-path rust/${{ matrix.component }}/Cargo.toml
rust-test-schedulers:
runs-on: ubuntu-22.04
needs: build-kernel
strategy:
matrix:
scheduler: [ scx_bpfland, scx_lavd, scx_layered, scx_rlfifo, scx_rustland, scx_rusty ]
steps:
- uses: actions/checkout@v4
- 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/tj/sched_ext.git heads/for-next | awk '{print $1}')" >> $GITHUB_ENV
# cache bzImage alone for rust tests
- name: Cache bzImage
id: cache-bzImage
uses: actions/cache@v4
with:
path: |
linux/arch/x86/boot/bzImage
key: kernel-bzImage-${{ 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:
workspaces: scheds/rust
key: ${{ matrix.scheduler }}
prefix-key: "1"
- run: cargo build --manifest-path scheds/rust/${{ matrix.scheduler }}/Cargo.toml
- run: cargo test --manifest-path scheds/rust/${{ matrix.scheduler }}/Cargo.toml --no-run
- run: vng -v --memory 10G --cpu 8 -r linux/arch/x86/boot/bzImage --net user -- cargo test --manifest-path scheds/rust/${{ matrix.scheduler }}/Cargo.toml
pages:
runs-on: ubuntu-22.04
if: github.ref == 'refs/heads/main'
permissions:
contents: write # To push a branch
pages: write # To push to a GitHub Pages site
id-token: write # To update the deployment status
steps:
- uses: actions/checkout@v4
with:
fetch-depth: 0
- uses: ./.github/actions/install-deps-action
- name: Build Book and Linux Docs
run: |
curl https://sh.rustup.rs -sSf | sh -s -- -y
rustup install nightly
RUSTDOCFLAGS="--enable-index-page -Zunstable-options" ~/.cargo/bin/cargo +nightly doc --workspace --no-deps --bins --lib --examples --document-private-items --all-features
sudo apt update
sudo apt install build-essential graphviz sphinx-doc python3-sphinx-rtd-theme texlive-latex-recommended python3-yaml -y
cargo install htmlq
git clone --single-branch -b for-next --depth 1 https://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext.git linux
cd linux
make DOCS_THEME=sphinx_rtd_theme SPHINXDIRS=scheduler htmldocs
make DOCS_THEME=sphinx_rtd_theme SPHINXDIRS=bpf htmldocs
cd ..
cp -a linux/Documentation/output/scheduler target/doc/
cp -a linux/Documentation/output/bpf target/doc/
sed -i 's%<li><a href="server/index.html">server</a></li>%<li><a href="server/index.html">server</a></li><li><a href="scheduler/sched-ext.html">Kernel Sched Ext Docs</a></li><li><a href="bpf/helpers.html">Kernel Bpf Helpers Docs</a></li>%' target/doc/index.html
- name: Setup Pages
uses: actions/configure-pages@v4
- name: Upload artifact
uses: actions/upload-pages-artifact@v3
with:
path: 'target/doc'
- name: Deploy to GitHub Pages
id: deployment
uses: actions/deploy-pages@v4