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https://github.com/eunomia-bpf/bpf-developer-tutorial.git
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39e3f59119
* Modernize workflow actions and permissions * Test the fentry tutorial in CI * Support Rust 1.97 symbol mangling * Limit documentation writes to main * Harden Rust symbol resolution --------- Co-authored-by: LinuxDev9002 <i@littlefisher.me>
61 lines
2.7 KiB
YAML
61 lines
2.7 KiB
YAML
name: Test bpftrace examples
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on:
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push:
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branches: [ "main" ]
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pull_request:
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branches: [ "main" ]
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schedule:
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- cron: '0 0 * * 0'
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permissions:
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contents: read
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jobs:
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build:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v7
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with:
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submodules: 'recursive'
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- name: Install Rust toolchain
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uses: dtolnay/rust-toolchain@1.97.0
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- name: test 37 uprobe-rust helloworld
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run: |
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cd src/37-uprobe-rust/helloworld
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cargo build
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# Verify the hello function symbol exists in debug build
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nm -C target/debug/helloworld | grep -F "helloworld::hello" || (echo "Error: hello function symbol not found in debug build" && exit 1)
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echo "✓ helloworld debug build has correct hello symbol"
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- name: test 37 uprobe-rust args
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run: |
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cd src/37-uprobe-rust/args
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cargo build
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# Verify the hello function symbol exists in debug build
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nm -C target/debug/helloworld | grep -F "helloworld::hello" || (echo "Error: hello function symbol not found in debug build" && exit 1)
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echo "✓ args debug build has correct hello symbol"
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# Run the binary to ensure it works
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./target/debug/helloworld 1 2 3 | grep -q "Hello, world!" || (echo "Error: binary execution failed" && exit 1)
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echo "✓ args binary runs successfully"
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- name: test 37 uprobe-rust bpftrace attach
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run: |
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cd src/37-uprobe-rust/args
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# Rust 1.97 uses v0 mangling by default, so resolve the raw symbol dynamically.
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hello_address=$(nm -C target/debug/helloworld | awk '$2 ~ /^[tT]$/ && $3 ~ /^helloworld::hello(::h[[:xdigit:]]+)?$/ && !matched { found = $1; matched = 1 } END { if (matched) print found }')
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test -n "$hello_address" || (echo "Error: demangled hello function symbol not found" && exit 1)
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hello_symbol=$(nm target/debug/helloworld | awk -v address="$hello_address" '$1 == address && $2 ~ /^[tT]$/ && !matched { found = $3; matched = 1 } END { if (matched) print found }')
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test -n "$hello_symbol" || (echo "Error: raw hello function symbol not found" && exit 1)
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sudo timeout 3 bpftrace -e "uprobe:target/debug/helloworld:${hello_symbol} { printf(\"traced\\n\"); exit(); }" -c "./target/debug/helloworld 1" > /tmp/bpftrace_output.txt 2>&1 || true
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# Check if bpftrace successfully attached and traced the function
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if grep -q "traced" /tmp/bpftrace_output.txt && grep -q "Attaching 1 probe" /tmp/bpftrace_output.txt; then
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echo "✓ bpftrace successfully attached to hello function"
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else
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echo "Error: bpftrace failed to attach or trace the hello function"
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cat /tmp/bpftrace_output.txt
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exit 1
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fi
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