feat: 16-item quality improvement roadmap #2
Workflow file for this run
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| name: BPF Coverage | |
| on: | |
| push: | |
| branches: [main] | |
| paths: | |
| - 'bpf/**' | |
| pull_request: | |
| paths: | |
| - 'bpf/**' | |
| workflow_dispatch: | |
| jobs: | |
| bpf-coverage: | |
| name: bpf-coverage | |
| runs-on: ubuntu-24.04 | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Install dependencies | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y clang llvm libbpf-dev pkg-config cmake ninja-build \ | |
| python3 python3-pip | |
| - name: Check kernel BTF | |
| id: btf_check | |
| run: | | |
| if [[ -f /sys/kernel/btf/vmlinux ]]; then | |
| echo "btf_available=true" >> "$GITHUB_OUTPUT" | |
| else | |
| echo "btf_available=false" >> "$GITHUB_OUTPUT" | |
| fi | |
| - name: Build BPF object with debug info | |
| if: steps.btf_check.outputs.btf_available == 'true' | |
| run: | | |
| cmake -S . -B build -G Ninja \ | |
| -DCMAKE_BUILD_TYPE=Debug \ | |
| -DBUILD_TESTING=OFF | |
| cmake --build build --target bpf_skel | |
| - name: Analyze BPF program sections | |
| if: steps.btf_check.outputs.btf_available == 'true' | |
| run: | | |
| echo "=== BPF Program Section Analysis ===" | |
| llvm-objdump -h build/aegis.bpf.o 2>/dev/null | grep -E '^\s+[0-9]' || true | |
| echo "" | |
| echo "=== BPF Programs ===" | |
| llvm-objdump -d build/aegis.bpf.o 2>/dev/null | grep -E '^[0-9a-f]+ <' || true | |
| echo "" | |
| echo "=== Instruction Counts Per Program ===" | |
| # Count instructions per section to track code path coverage potential | |
| python3 << 'PYEOF' | |
| import subprocess, re, json | |
| result = subprocess.run( | |
| ["llvm-objdump", "-d", "build/aegis.bpf.o"], | |
| capture_output=True, text=True | |
| ) | |
| programs = {} | |
| current = None | |
| count = 0 | |
| for line in result.stdout.splitlines(): | |
| m = re.match(r'^[0-9a-f]+ <(.+)>:', line) | |
| if m: | |
| if current: | |
| programs[current] = count | |
| current = m.group(1) | |
| count = 0 | |
| elif current and re.match(r'^\s+[0-9a-f]+:', line): | |
| count += 1 | |
| if current: | |
| programs[current] = count | |
| total = sum(programs.values()) | |
| print(f"Total BPF instructions: {total}") | |
| print(f"Programs: {len(programs)}") | |
| for name, insns in sorted(programs.items(), key=lambda x: -x[1]): | |
| pct = (insns / total * 100) if total else 0 | |
| print(f" {name}: {insns} instructions ({pct:.1f}%)") | |
| # Write summary for artifact | |
| with open("build/bpf_coverage_summary.json", "w") as f: | |
| json.dump({"programs": programs, "total_instructions": total}, f, indent=2) | |
| PYEOF | |
| - name: Upload BPF coverage summary | |
| if: steps.btf_check.outputs.btf_available == 'true' | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: bpf-coverage-summary | |
| path: build/bpf_coverage_summary.json | |
| - name: Skip notice | |
| if: steps.btf_check.outputs.btf_available != 'true' | |
| run: echo "Skipping BPF coverage - kernel BTF not available" |