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build-scx-scheds: collect BPF progs into $OUTPUT_DIR/bpf #207

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build-scx-scheds: collect BPF progs into $OUTPUT_DIR/bpf #207

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21 changes: 18 additions & 3 deletions build-scx-scheds/build-scheds.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -15,15 +15,30 @@ fi

pushd $SCX_ROOT

rm -rf $OUTPUT_DIR && mkdir -p $OUTPUT_DIR
rm -rf $OUTPUT_DIR && mkdir -p $OUTPUT_DIR/bpf

extract_bpf_progs() {
build_dir=$1
pattern=$2
bpf_dir=$3
find "${build_dir}" -type f -name "$pattern" -printf '%P\0' | \
while IFS= read -r -d '' prog; do
obj_name=$(echo "${prog}" | tr / _)
cp -v "${build_dir}/${prog}" "${bpf_dir}/${obj_name}"
done
}

# build C scheds
# .SECONDARY prevents make from deleting the intermediate .bpf.o files
echo '.SECONDARY:' >> scheds/c/Makefile
make all -j$(nproc)
mv build $OUTPUT_DIR/c-scheds
mv build $OUTPUT_DIR/c-build
extract_bpf_progs $OUTPUT_DIR/c-build/scheds "*.bpf.o" $OUTPUT_DIR/bpf

# build Rust scheds
. $HOME/.cargo/env
cargo build --release
mv target/release/build $OUTPUT_DIR/rust-scheds
mv target/release/build $OUTPUT_DIR/rust-build
extract_bpf_progs $OUTPUT_DIR/rust-build "bpf.bpf.o" $OUTPUT_DIR/bpf

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