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caching-build.yml
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name: build-and-test
on:
push:
pull_request:
merge_group:
jobs:
lint:
runs-on: ubuntu-24.04
steps:
# prevent cache permission errors
- run: sudo chown root /usr/bin/tar && sudo chmod u+s /usr/bin/tar
- name: Install deps
run: |
curl https://sh.rustup.rs -sSf | RUSTUP_INIT_SKIP_PATH_CHECK=yes sh -s -- -y
rustup install nightly-2024-09-10
export PATH="~/.cargo/bin:$PATH"
- uses: actions/checkout@v4
# Lint code
- run: cargo +nightly-2024-09-10 fmt
- run: git diff --exit-code
build-kernel:
if: (github.ref != 'refs/heads/main') && (github.ref != 'refs/heads/setup-repo')
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=KERNEL_COMMIT_SHA7_HERE" >> $GITHUB_ENV
- uses: actions/checkout@v4
# use cached kernel if available, create after job if not
- name: Cache Kernel
id: cache-kernel
uses: actions/cache@v4
with:
path: |
linux/arch/x86/boot/bzImage
linux/usr/include
linux/**/*.h
key: kernel-build-${{ env.SCHED_EXT_KERNEL_COMMIT }}-4
- 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 sched_ext https://github.com/sched-ext/sched_ext.git linux && cd linux && git checkout ${{ env.SCHED_EXT_KERNEL_COMMIT }}
# 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 && find . -type f -exec sed -i 's/-Werror/-Wno-error/g' {} \; && 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:
if: (github.ref != 'refs/heads/main') && (github.ref != 'refs/heads/setup-repo')
runs-on: ubuntu-24.04
needs: build-kernel
strategy:
matrix:
scheduler: [ scx_layered, 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=KERNEL_COMMIT_SHA7_HERE" >> $GITHUB_ENV
# use cached kernel if available, create after job if not
- name: Cache Kernel
id: cache-kernel
uses: actions/cache@v4
with:
path: |
linux/arch/x86/boot/bzImage
linux/usr/include
linux/**/*.h
key: kernel-build-${{ env.SCHED_EXT_KERNEL_COMMIT }}-4
# 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
rust-test-core:
if: (github.ref != 'refs/heads/main') && (github.ref != 'refs/heads/setup-repo')
runs-on: ubuntu-24.04
needs: build-kernel
strategy:
matrix:
component: [scx_loader, scx_rustland_core, scx_stats, scx_utils]
steps:
# prevent cache permission errors
- run: sudo chown root /usr/bin/tar && sudo chmod u+s /usr/bin/tar
- 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=KERNEL_COMMIT_SHA7_HERE" >> $GITHUB_ENV
# cache bzImage alone for rust tests
- name: Cache bzImage
id: cache-bzImage
uses: actions/cache@v4
with:
path: |
linux/arch/x86/boot/bzImage
linux/usr/include
linux/**/*.h
key: kernel-build-${{ env.SCHED_EXT_KERNEL_COMMIT }}-4
# need to re-run job when kernel head changes between build and test running.
- if: ${{ steps.cache-kernel.outputs.cache-hit != 'true' }}
name: exit if cache stale
run: exit -1
- run: cargo build --manifest-path rust/${{ matrix.component }}/Cargo.toml
- run: vng -v --rw --memory 10G --cpu 8 -r linux/arch/x86/boot/bzImage --net user -- cargo test --manifest-path rust/${{ matrix.component }}/Cargo.toml
rust-test-schedulers:
if: (github.ref != 'refs/heads/main') && (github.ref != 'refs/heads/setup-repo')
runs-on: ubuntu-24.04
needs: build-kernel
strategy:
matrix:
scheduler: [ scx_layered, scx_rusty ]
steps:
# prevent cache permission errors
- run: sudo chown root /usr/bin/tar && sudo chmod u+s /usr/bin/tar
- 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=KERNEL_COMMIT_SHA7_HERE" >> $GITHUB_ENV
# cache bzImage alone for rust tests
- name: Cache bzImage
id: cache-bzImage
uses: actions/cache@v4
with:
path: |
linux/arch/x86/boot/bzImage
linux/usr/include
linux/**/*.h
key: kernel-build-${{ env.SCHED_EXT_KERNEL_COMMIT }}-4
# need to re-run job when kernel head changes between build and test running.
- if: ${{ steps.cache-kernel.outputs.cache-hit != 'true' }}
name: exit if cache stale
run: exit -1
- run: cargo build --manifest-path scheds/rust/${{ matrix.scheduler }}/Cargo.toml