External/cloud-hypervisor
1
0
Fork 0
mirror of https://github.com/cloud-hypervisor/cloud-hypervisor.git synced 2024-12-21 21:25:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

docs: improve code coverage document

Browse Source 
Fixes: #6507

This patch improves the code coverage use case for integration
tests and unit tests.

Signed-off-by: Songqian Li <sionli@tencent.com>
This commit is contained in:
Songqian Li 2024-10-23 16:40:17 +08:00 committed by Rob Bradford
parent 7e6326b3c5
commit cc5e463ee3
1 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
docs/coverage.md
View File

@ -65,17 +65,17 @@ the data processing from within the container if you don't want to fight the
tool chain.
```shell
# Get a shell
./scripts/dev_cli.sh shell
# Set env to enable code coverage
export RUSTFLAGS="-Cinstrument-coverage"
export LLVM_PROFILE_FILE="ch-%p-%m.profraw"
# Install llvm-tools-preview for llvm-profdata
rustup component add llvm-tools-preview
# Merge data files by using the following command
find . -name '*.profraw' -exec `rustc --print sysroot`/lib/rustlib/x86_64-unknown-linux-gnu/bin/llvm-profdata merge -sparse {} -o coverage.profdata \;
# Run unit tests
scripts/dev_cli.sh tests --unit --libc gnu
# As of writing, the container has Rust 1.67.1. It is too old for grcov.
rustup install stable
cargo +stable install grcov
# Run grcov as usual
grcov . --binary-path ./target/x86_64-unknown-linux-gnu/release -s . -t html --branch --ignore-not-existing -o coverage-html-output/
# Run integration tests
scripts/dev_cli.sh tests --integration --libc gnu
scripts/dev_cli.sh tests --integration-live-migration --libc gnu
# Export code coverage report
scripts/dev_cli.sh tests --coverage -- -- html
```