bpf-developer-tutorial/.github/workflows/test-bpftrace.yml

name: Test bpftrace examples

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]
  schedule:
    - cron:  '0 0 * * 0'
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
      with:
        submodules: 'recursive'
    
    - name: Install Rust toolchain
      uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        profile: minimal
        override: true
    
    - name: test 37 uprobe-rust helloworld
      run: |
        cd src/37-uprobe-rust/helloworld
        cargo build
        # Verify the hello function symbol exists in debug build
        nm target/debug/helloworld | grep "_ZN10helloworld5hello" || (echo "Error: hello function symbol not found in debug build" && exit 1)
        echo "✓ helloworld debug build has correct hello symbol"
        
    - name: test 37 uprobe-rust args
      run: |
        cd src/37-uprobe-rust/args
        cargo build
        # Verify the hello function symbol exists in debug build
        nm target/debug/helloworld | grep "_ZN10helloworld5hello" || (echo "Error: hello function symbol not found in debug build" && exit 1)
        echo "✓ args debug build has correct hello symbol"
        # Run the binary to ensure it works
        ./target/debug/helloworld 1 2 3 | grep -q "Hello, world!" || (echo "Error: binary execution failed" && exit 1)
        echo "✓ args binary runs successfully"
    
    - name: test 37 uprobe-rust bpftrace attach
      run: |
        cd src/37-uprobe-rust/args
        # Test that bpftrace can attach to the hello function with wildcard pattern
        # Run bpftrace with the binary and verify it can trace the function
        sudo timeout 3 bpftrace -e 'uprobe:target/debug/helloworld:_ZN10helloworld5hello* { printf("traced\n"); exit(); }' -c "./target/debug/helloworld 1" > /tmp/bpftrace_output.txt 2>&1 || true
        # Check if bpftrace successfully attached and traced the function
        if grep -q "traced" /tmp/bpftrace_output.txt && grep -q "Attaching 1 probe" /tmp/bpftrace_output.txt; then
          echo "✓ bpftrace successfully attached to hello function with wildcard pattern"
        else
          echo "Error: bpftrace failed to attach or trace the hello function"
          cat /tmp/bpftrace_output.txt
          exit 1
        fi