diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8adcc8db95..109ed7278d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,8 +12,8 @@ env:
 jobs:
   build:
     name: Build and Lint
-    timeout-minutes: 10
-    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    runs-on: ubuntu-20.04
     steps:
       - name: Set up Go
         uses: actions/setup-go@v3
@@ -28,6 +28,23 @@ jobs:
           key: ${{ runner.os }}-go-${{ hashFiles('go.sum') }}
           restore-keys: |
             ${{ runner.os }}-go
+      - name: Setup bcc for eBPF
+        run: |
+          sudo apt-get update
+          sudo apt install -y zip bison build-essential cmake flex git libedit-dev \
+          libllvm12 llvm-12-dev libclang-12-dev python zlib1g-dev libelf-dev libfl-dev python3-setuptools \
+          liblzma-dev arping netperf iperf
+          git clone https://github.com/iovisor/bcc.git; cd bcc
+          git checkout v0.24.0
+          mkdir build; cd build
+          cmake ..
+          make
+          sudo make install
+          cmake -DPYTHON_CMD=python3 ..
+          pushd src/python/
+          make
+          sudo make install
+          popd
       - name: Build
         run: |
           go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.51.2
@@ -37,8 +54,8 @@ jobs:
           make check
   build-optimizer:
     name: Build optimizer
-    timeout-minutes: 10
-    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    runs-on: ubuntu-20.04
     steps:
       - name: Set up Go
         uses: actions/setup-go@v3
@@ -53,6 +70,23 @@ jobs:
           key: ${{ runner.os }}-go-${{ hashFiles('go.sum') }}
           restore-keys: |
             ${{ runner.os }}-go
+      - name: Setup bcc for eBPF
+        run: |
+          sudo apt-get update
+          sudo apt install -y zip bison build-essential cmake flex git libedit-dev \
+          libllvm12 llvm-12-dev libclang-12-dev python zlib1g-dev libelf-dev libfl-dev python3-setuptools \
+          liblzma-dev arping netperf iperf
+          git clone https://github.com/iovisor/bcc.git; cd bcc
+          git checkout v0.24.0
+          mkdir build; cd build
+          cmake ..
+          make
+          sudo make install
+          cmake -DPYTHON_CMD=python3 ..
+          pushd src/python/
+          make
+          sudo make install
+          popd
       - name: Build
         run: |
           go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.51.2
@@ -118,8 +152,8 @@ jobs:
 
   coverage:
     name: Code coverage
-    timeout-minutes: 10
-    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    runs-on: ubuntu-20.04
     needs: [build]
     steps:
       - name: Install Go
@@ -135,6 +169,23 @@ jobs:
           key: ${{ runner.os }}-go-${{ hashFiles('go.sum') }}
           restore-keys: |
             ${{ runner.os }}-go
+      - name: Setup bcc for eBPF
+        run: |
+          sudo apt-get update
+          sudo apt install -y zip bison build-essential cmake flex git libedit-dev \
+          libllvm12 llvm-12-dev libclang-12-dev python zlib1g-dev libelf-dev libfl-dev python3-setuptools \
+          liblzma-dev arping netperf iperf
+          git clone https://github.com/iovisor/bcc.git; cd bcc
+          git checkout v0.24.0
+          mkdir build; cd build
+          cmake ..
+          make
+          sudo make install
+          cmake -DPYTHON_CMD=python3 ..
+          pushd src/python/
+          make
+          sudo make install
+          popd
       - name: Run unit tests.
         run: make cover
       - name: Upload coverage to Codecov
diff --git a/.github/workflows/optimizer.yml b/.github/workflows/optimizer.yml
index d8d3cf266a..a7e2bc34f9 100644
--- a/.github/workflows/optimizer.yml
+++ b/.github/workflows/optimizer.yml
@@ -19,7 +19,7 @@ env:
 
 jobs:
   run_optimizer:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Set up Go
         uses: actions/setup-go@v3
@@ -64,6 +64,23 @@ jobs:
           sudo mkdir -p /opt/cni/bin
           sudo tar xzf cni-plugins-linux-amd64-v1.2.0.tgz -C /opt/cni/bin/
           sudo install -D -m 755 misc/example/10-containerd-net.conflist /etc/cni/net.d/10-containerd-net.conflist
+      - name: Setup bcc for eBPF
+        run: |
+          sudo apt-get update
+          sudo apt install -y zip bison build-essential cmake flex git libedit-dev \
+          libllvm12 llvm-12-dev libclang-12-dev python zlib1g-dev libelf-dev libfl-dev python3-setuptools \
+          liblzma-dev arping netperf iperf
+          git clone https://github.com/iovisor/bcc.git; cd bcc
+          git checkout v0.24.0
+          mkdir build; cd build
+          cmake ..
+          make
+          sudo make install
+          cmake -DPYTHON_CMD=python3 ..
+          pushd src/python/
+          make
+          sudo make install
+          popd
       - name: Build and install optimizer
         run: |
           rustup component add rustfmt clippy
@@ -87,7 +104,7 @@ jobs:
           echo "count: $count expected minimum value: $expected"
           if [ $count -lt $expected ]; then
             echo "failed to generate accessed files list for nginx:1.23.3"
-            cat misc/optimizer/script/file_list.txt
+            cat /opt/nri/optimizer/results/library/nginx:1.23.3
             exit 1
           fi
           cat /opt/nri/optimizer/results/library/nginx:1.23.3.csv
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 675804bac7..46d0853a69 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,7 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
@@ -37,6 +37,23 @@ jobs:
           key: ${{ runner.os }}-cargo-${{ hashFiles('tools/optimizer-server/Cargo.lock') }}
           restore-keys: |
             ${{ runner.os }}-cargo
+      - name: Setup bcc for eBPF
+        run: |
+          sudo apt-get update
+          sudo apt install -y zip bison build-essential cmake flex git libedit-dev \
+          libllvm12 llvm-12-dev libclang-12-dev python zlib1g-dev libelf-dev libfl-dev python3-setuptools \
+          liblzma-dev arping netperf iperf
+          git clone https://github.com/iovisor/bcc.git; cd bcc
+          git checkout v0.20.0
+          mkdir build; cd build
+          cmake ..
+          make
+          sudo make install
+          cmake -DPYTHON_CMD=python3 ..
+          pushd src/python/
+          make
+          sudo make install
+          popd
       - name: build nydus-snapshotter and optimizer
         run: |
           go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.51.2