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Code Coverage (llvm-cov) #110

Code Coverage (llvm-cov)

Code Coverage (llvm-cov) #110

Workflow file for this run

name: Code Coverage (llvm-cov)
on:
schedule:
- cron: "0 1 * * *" # every day at 1am (UTC)
workflow_dispatch:
jobs:
llvm-cov:
name: Generate code coverage
runs-on: self-hosted
timeout-minutes: 180
env:
# Don't emit giant backtraces in the CI logs.
RUST_BACKTRACE: short
# Rustup
RUSTUP_MAX_RETRIES: 10
# Cargo
CARGO_TERM_COLOR: always
CARGO_INCREMENTAL: 0
# Find a good balance between runtime performance and accurate code coverage analysis.
CARGO_PROFILE_TEST_OPT_LEVEL: 1
CARGO_PROFILE_TEST_DEBUG: false
CARGO_PROFILE_TEST_DEBUG_ASSERTIONS: false
CARGO_PROFILE_TEST_OVERFLOW_CHECKS: false
CARGO_PROFILE_TEST_LTO: off
CARGO_PROFILE_TEST_CODEGEN_UNITS: 1
# Allow more retries for network requests in cargo (downloading crates) and
# rustup (installing toolchains). This should help to reduce flaky CI failures
# from transient network timeouts or other issues.
CARGO_NET_RETRY: 10
steps:
- uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # pin@v4
- uses: bmwill/rust-cache@fb63fcd7a959767755b88b5af2f5cbf65fb8a127 # pin@v1
- name: Install cargo-llvm-cov
uses: taiki-e/install-action@125e82eef6e60d2b0c20d4d1f4cf81db37f68bf3 # pin@cargo-llvm-cov
- name: Install nextest
uses: taiki-e/install-action@7e58f89e24a544d88f7a74c6eed8a3df3fd4c658 # pin@nextest
- name: Set Swap Space
uses: actionhippie/swap-space@v1
with:
size: 256G
- name: Install llvm-tools
run: |
TOOLCHAIN=nightly-x86_64-unknown-linux-gnu
rustup component add llvm-tools --toolchain "$TOOLCHAIN"
LLVM_PROFDATA=$HOME/.rustup/toolchains/$TOOLCHAIN/lib/rustlib/x86_64-unknown-linux-gnu/bin/llvm-profdata
echo "LLVM_PROFDATA=$LLVM_PROFDATA" >> $GITHUB_ENV
if [ -x "$LLVM_PROFDATA" ]; then
$LLVM_PROFDATA --version
else
echo "Error: llvm-profdata not found at $LLVM_PROFDATA or not executable."
exit 1
fi
- name: Run code coverage (nextest)
run: |
cargo +nightly llvm-cov clean --profraw-only
set +e
IOTA_SKIP_SIMTESTS=1 cargo +nightly llvm-cov \
--ignore-run-fail \
--no-report \
nextest -vv
echo "Scanning for corrupted .profraw files. This might take a while."
find target/llvm-cov-target -name '*.profraw' | while read file; do
if ! "$LLVM_PROFDATA" show "$file" > /dev/null 2>&1; then
echo "Removing corrupted file: $file"
rm "$file"
fi
done
find target/llvm-cov-target -name '*.profraw' -print0 | xargs -0 $LLVM_PROFDATA merge \
--failure-mode=warn \
--sparse \
--output target/nextest.profdata
[ -f "target/nextest.profdata" ] || exit 1
# - name: Run code coverage (simtest)
# run: |
# cargo +nightly llvm-cov clean --profraw-only
# git clean -fd
# set +e
# ./scripts/simtest/simtest-cov.sh
# [ -f "target/simtest.profdata" ] || exit 1
- name: Create report (lcov.info)
run: |
cd target
if [ -f "simtest.profdata" ]; then
$LLVM_PROFDATA merge --failure-mode=warn --sparse nextest.profdata simtest.profdata --output merged.profdata
else
mv nextest.profdata merged.profdata
fi
[ -f "merged.profdata" ] || exit 1
LLVM_PROFILE_FILE="merged.profdata" cargo +nightly llvm-cov report \
--lcov \
--output-path lcov.info \
--ignore-filename-regex 'external-crates/.*'
echo "Removing absolute path prefix: ${{ github.workspace }} from report."
sed --in-place "s#${{ github.workspace }}#.#g" lcov.info
- name: Backup report
uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # pin@v4
with:
name: lcov.info
path: target/lcov.info
if-no-files-found: error
retention-days: 30
- name: Upload coverage to Coveralls
uses: coverallsapp/github-action@v2
with:
github-token: ${{ secrets.GITHUB_TOKEN }}
path-to-lcov: target/lcov.info
flag-name: nextest+simtest
fail-on-error: true
# - name: Upload coverage data to Codecov
# uses: codecov/codecov-action@v5
# with:
# # TODO token required because of branch protection (https://docs.codecov.com/docs/codecov-tokens#uploading-without-a-token)
# files: target/lcov.info
# flags: nextest+simtest
# disable_search: true
# fail_ci_if_error: true
# verbose: true