alibaba · jzwlqx · Apr 16, 2024 · Apr 15, 2024
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
@@ -72,3 +72,33 @@ jobs:
           VALIDATE_MD: true
           DEFAULT_BRANCH: main
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  check-bpf:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Install LLVM and Clang
+        uses: KyleMayes/install-llvm-action@v2
+        with:
+          version: "17.0"
+          directory: ${{ runner.temp }}/llvm
+      - name: build-bpf
+        run: |
+          make generate-bpf-in-container
+      - name: check-bpf-update
+        run: |
+          for bpfobjfile in `git status --porcelain | awk '{print $2}'`; do
+            echo "check $bpfobjfile prog sections changes by remove .BTF debug section"
+            git show HEAD:$bpfobjfile > ${bpfobjfile}.old
+            if llvm-objdump --headers $bpfobjfile &>/dev/null; then
+              llvm-objcopy --remove-section '.BTF' ${bpfobjfile}.old
+              llvm-objcopy --remove-section '.BTF' $bpfobjfile
+              if ! diff ${bpfobjfile}.old $bpfobjfile; then
+                echo "$bpfobjfile changed; Please run 'make generate-bpf-in-container' and submit your changes"
+                exit 1
+              fi
+            fi
+            rm -f ${bpfobjfile}.old
+          done
diff --git a/Makefile b/Makefile
@@ -46,6 +46,10 @@ build-btfhack:
 build-webconsole:
 	cd webui && CGO_ENABLED=0 go build -o ../bin/webconsole -ldflags $(ldflags) .
 
-.PHONY: generate-btf
-generate-btf:
+.PHONY: generate-bpf
+generate-bpf:
 	go generate ./pkg/exporter/probe/...
+
+.PHONY: generate-bpf-in-container
+generate-bpf-in-container:
+	docker run -v $(PWD):/go/src/github.com/alibaba/kubeskoop --workdir /go/src/github.com/alibaba/kubeskoop kubeskoop/bpf-build:go121-clang17 go generate ./pkg/exporter/probe/...
diff --git a/pkg/exporter/probe/flow/bpf_bpfeb.o b/pkg/exporter/probe/flow/bpf_bpfeb.o
diff --git a/pkg/exporter/probe/flow/bpf_bpfel.o b/pkg/exporter/probe/flow/bpf_bpfel.o
diff --git a/pkg/exporter/probe/tracebiolatency/bpf_bpfeb.o b/pkg/exporter/probe/tracebiolatency/bpf_bpfeb.o
diff --git a/pkg/exporter/probe/tracebiolatency/bpf_bpfel.o b/pkg/exporter/probe/tracebiolatency/bpf_bpfel.o
diff --git a/pkg/exporter/probe/tracekernel/bpf_bpfeb.go b/pkg/exporter/probe/tracekernel/bpf_bpfeb.go
diff --git a/pkg/exporter/probe/tracekernel/bpf_bpfeb.o b/pkg/exporter/probe/tracekernel/bpf_bpfeb.o
diff --git a/pkg/exporter/probe/tracekernel/bpf_bpfel.go b/pkg/exporter/probe/tracekernel/bpf_bpfel.go
diff --git a/pkg/exporter/probe/tracekernel/bpf_bpfel.o b/pkg/exporter/probe/tracekernel/bpf_bpfel.o
diff --git a/pkg/exporter/probe/tracenetiftxlatency/bpf_bpfeb.go b/pkg/exporter/probe/tracenetiftxlatency/bpf_bpfeb.go
diff --git a/pkg/exporter/probe/tracenetiftxlatency/bpf_bpfeb.o b/pkg/exporter/probe/tracenetiftxlatency/bpf_bpfeb.o
diff --git a/pkg/exporter/probe/tracenetiftxlatency/bpf_bpfel.go b/pkg/exporter/probe/tracenetiftxlatency/bpf_bpfel.go
diff --git a/pkg/exporter/probe/tracenetiftxlatency/bpf_bpfel.o b/pkg/exporter/probe/tracenetiftxlatency/bpf_bpfel.o
diff --git a/pkg/exporter/probe/tracepacketloss/bpf_bpfeb.o b/pkg/exporter/probe/tracepacketloss/bpf_bpfeb.o
diff --git a/pkg/exporter/probe/tracepacketloss/bpf_bpfel.o b/pkg/exporter/probe/tracepacketloss/bpf_bpfel.o
diff --git a/pkg/exporter/probe/tracesocketlatency/bpf_bpfeb.go b/pkg/exporter/probe/tracesocketlatency/bpf_bpfeb.go
diff --git a/pkg/exporter/probe/tracesocketlatency/bpf_bpfeb.o b/pkg/exporter/probe/tracesocketlatency/bpf_bpfeb.o
diff --git a/pkg/exporter/probe/tracesocketlatency/bpf_bpfel.go b/pkg/exporter/probe/tracesocketlatency/bpf_bpfel.go
diff --git a/pkg/exporter/probe/tracesocketlatency/bpf_bpfel.o b/pkg/exporter/probe/tracesocketlatency/bpf_bpfel.o
diff --git a/pkg/exporter/probe/tracesoftirq/bpf_bpfeb.o b/pkg/exporter/probe/tracesoftirq/bpf_bpfeb.o
diff --git a/pkg/exporter/probe/tracesoftirq/bpf_bpfel.o b/pkg/exporter/probe/tracesoftirq/bpf_bpfel.o
diff --git a/pkg/exporter/probe/tracetcpreset/bpf_bpfeb.go b/pkg/exporter/probe/tracetcpreset/bpf_bpfeb.go
diff --git a/pkg/exporter/probe/tracetcpreset/bpf_bpfeb.o b/pkg/exporter/probe/tracetcpreset/bpf_bpfeb.o
diff --git a/pkg/exporter/probe/tracetcpreset/bpf_bpfel.go b/pkg/exporter/probe/tracetcpreset/bpf_bpfel.go
diff --git a/pkg/exporter/probe/tracetcpreset/bpf_bpfel.o b/pkg/exporter/probe/tracetcpreset/bpf_bpfel.o
diff --git a/pkg/exporter/probe/tracetcpretrans/bpf_bpfeb.o b/pkg/exporter/probe/tracetcpretrans/bpf_bpfeb.o
diff --git a/pkg/exporter/probe/tracetcpretrans/bpf_bpfel.o b/pkg/exporter/probe/tracetcpretrans/bpf_bpfel.o
diff --git a/pkg/exporter/probe/tracevirtcmdlat/bpf_bpfeb.o b/pkg/exporter/probe/tracevirtcmdlat/bpf_bpfeb.o
diff --git a/pkg/exporter/probe/tracevirtcmdlat/bpf_bpfel.o b/pkg/exporter/probe/tracevirtcmdlat/bpf_bpfel.o
diff --git a/tools/Dockerfile.dev b/tools/Dockerfile.dev
@@ -0,0 +1,3 @@
+FROM alpine:3.19
+RUN apk add clang=17.0.5-r0 llvm=17.0.5-r0 go=1.21.9-r0 make bash
+RUN go install github.com/cilium/ebpf/cmd/bpf2go@latest