Fix Rust uprobe tutorial and add CI tests in dedicated workflow (#197)

* Initial plan

* Fix issue #173: Update Rust uprobe documentation to use debug build and correct function symbol

Co-authored-by: yunwei37 <34985212+yunwei37@users.noreply.github.com>

* Add CI tests for Rust uprobe tutorial (issue #173)

Co-authored-by: yunwei37 <34985212+yunwei37@users.noreply.github.com>

* Update src/37-uprobe-rust/README.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: 云微 <1067852565@qq.com>

* Update src/37-uprobe-rust/README.zh.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: 云微 <1067852565@qq.com>

* Use wildcard patterns for Rust symbol matching in bpftrace examples

Co-authored-by: yunwei37 <34985212+yunwei37@users.noreply.github.com>

* Add CI test to verify bpftrace can attach to Rust uprobe

Co-authored-by: yunwei37 <34985212+yunwei37@users.noreply.github.com>

* Separate bpftrace tests into new test-bpftrace.yml workflow

Co-authored-by: yunwei37 <34985212+yunwei37@users.noreply.github.com>

---------

Signed-off-by: 云微 <1067852565@qq.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: yunwei37 <34985212+yunwei37@users.noreply.github.com>
Co-authored-by: 云微 <1067852565@qq.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

.github/workflows/test-bpftrace.yml

@@ -0,0 +1,57 @@
+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