diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 20d367b9..b632e29b 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -4,7 +4,6 @@ on:
   push:
     branches: "master"
   pull_request: 
-    # Why wildcard? Because we want to see test results when examing prs from non-master branches..
     branches: "master"
 
 jobs:
@@ -36,7 +35,7 @@ jobs:
 
       - name: Build image and push to GitHub Container Registry
         uses: docker/build-push-action@v2
-        if:   github.repository_owner == 'eunomia-bpf'
+        if:   "github.repository_owner == 'eunomia-bpf' && !startsWith(github.ref, 'refs/pull/')"
         with:
           # relative path to the place where source code with Dockerfile is located
           context: ./
diff --git a/.github/workflows/test-cli.yml b/.github/workflows/test-cli.yml
deleted file mode 100644
index e4cf7472..00000000
--- a/.github/workflows/test-cli.yml
+++ /dev/null
@@ -1,45 +0,0 @@
-name: Test whether CLI works properly
-
-on:
-  push:
-    branches: "master"
-  pull_request: 
-    branches: "master"
-
-jobs: 
-  build-runtime-cli-and-test-cli:
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          submodules: 'recursive'
-      - name: Install dependencies
-        run: | 
-          sudo apt-get install binutils-dev libboost1.74-all-dev libelf-dev zlib1g-dev libyaml-cpp-dev gcc-12 g++-12 llvm
-      - name: Build and install runtime
-        run: |
-          CC=gcc-12 CXX=g++-12 make release
-      - name: Build and install CLI
-        run: |
-          cd tools/cli-rs
-          RUSTFLAGS="-C target-feature=+crt-static" cargo build --release --target x86_64-unknown-linux-gnu
-          mkdir -p ~/.bpftime
-          cp ./target/x86_64-unknown-linux-gnu/release/bpftime ~/.bpftime
-      - uses: actions/upload-artifact@v3
-        with:
-          name: bpftime-cli
-          path: ~/.bpftime/bpftime
-      - name: Build test assets
-        run: |
-          cd example/malloc
-          make -j
-      - name: Test CLI - attach by running
-        run: |
-          export PATH=$PATH:~/.bpftime
-          bpftime --help
-          cd example/malloc
-          timeout -s 2 15s bpftime load ./malloc || if [ $? = 124 ]; then exit 0; else exit $?; fi &
-          sleep 10s
-          ID1=$!
-          timeout -s 2 5s bpftime start ./victim || if [ $? = 124 ]; then exit 0; else exit $?; fi
-          fg $ID1 || true
diff --git a/.github/workflows/test-examples.yml b/.github/workflows/test-examples.yml
index f66e74b5..28e6d987 100644
--- a/.github/workflows/test-examples.yml
+++ b/.github/workflows/test-examples.yml
@@ -1,14 +1,43 @@
-name: Test examples
+name: Build and run all integrated tests (examples)
 
 on:
   push:
-    branches: "master"
+    branches: "*"
   pull_request: 
-    branches: "master"
+    branches: "*"
 
 jobs: 
   build-and-test:
     runs-on: ubuntu-22.04
+    strategy:
+      fail-fast: false
+      matrix:
+        examples: 
+          - path: libbpf-tools/opensnoop
+            executable: opensnoop
+            victim: ./victim
+            syscall_trace: true
+          - path: libbpf-tools/statsnoop
+            executable: statsnoop
+            victim: ./victim
+            syscall_trace: true 
+          - path: malloc
+            executable: malloc
+            victim: ./victim
+            syscall_trace: false
+          - path: opensnoop
+            executable: opensnoop
+            victim: ./victim
+            syscall_trace: false
+          - path: sslsniff
+            executable: sslsniff
+            victim: /bin/wget https://www.google.com
+            syscall_trace: false
+          - path: libbpf-tools/bashreadline
+            executable: readline
+            victim: /bin/bash
+            syscall_trace: false
+
     steps:
       - uses: actions/checkout@v2
         with:
@@ -18,7 +47,7 @@ jobs:
           sudo apt-get install binutils-dev libboost1.74-all-dev libelf-dev zlib1g-dev libyaml-cpp-dev gcc-12 g++-12 llvm
       - name: Build and install runtime
         run: |
-          CC=gcc-12 CXX=g++-12 make release
+          CC=gcc-12 CXX=g++-12 make release -j
       - name: Build and install CLI
         run: |
           cd tools/cli-rs
@@ -27,18 +56,28 @@ jobs:
           cp ./target/x86_64-unknown-linux-gnu/release/bpftime ~/.bpftime
       - name: Build test assets
         run: |
-          cd example/opensnoop
-          make -j
+          make -C example/${{matrix.examples.path}} -j
       - name: Test CLI - show help
         run: |
           export PATH=$PATH:~/.bpftime
           bpftime --help
-      - name: Test CLI - attach by running
+      - name: Test CLI - attach by running (syscall_trace)
+        if: matrix.examples.syscall_trace
+        shell: "sudo /bin/bash -e {0}"
+        run: |
+          cd example/${{matrix.examples.path}}
+          timeout -s 2 30s sudo -E /home/runner/.bpftime/bpftime -i /home/runner/.bpftime load ./${{matrix.examples.executable}} || if [ $? = 124 ]; then exit 0; else exit $?; fi &
+          sleep 3s
+          ID1=$!
+          timeout -s 2 15s /home/runner/.bpftime/bpftime -i /home/runner/.bpftime start -s ${{matrix.examples.victim}} || if [ $? = 124 ]; then exit 0; else exit $?; fi
+          fg $ID1 || true
+      - name: Test CLI - attach by running (uprobe)
+        if: '!matrix.examples.syscall_trace'
         shell: "sudo /bin/bash -e {0}"
         run: |
-          cd example/opensnoop
-          timeout -s 2 30s sudo -E /home/runner/.bpftime/bpftime -i /home/runner/.bpftime load ./opensnoop || if [ $? = 124 ]; then exit 0; else exit $?; fi &
+          cd example/${{matrix.examples.path}}
+          timeout -s 2 30s sudo -E /home/runner/.bpftime/bpftime -i /home/runner/.bpftime load ./${{matrix.examples.executable}} || if [ $? = 124 ]; then exit 0; else exit $?; fi &
           sleep 3s
           ID1=$!
-          timeout -s 2 15s /home/runner/.bpftime/bpftime -i /home/runner/.bpftime start -s ./victim || if [ $? = 124 ]; then exit 0; else exit $?; fi
+          timeout -s 2 15s /home/runner/.bpftime/bpftime -i /home/runner/.bpftime start ${{matrix.examples.victim}} || if [ $? = 124 ]; then exit 0; else exit $?; fi
           fg $ID1 || true
diff --git a/.github/workflows/test-runtime.yml b/.github/workflows/test-runtime.yml
index 904d49ff..a9985e9b 100644
--- a/.github/workflows/test-runtime.yml
+++ b/.github/workflows/test-runtime.yml
@@ -22,7 +22,7 @@ jobs:
         binutils-dev libyaml-cpp-dev  gcc-12 g++-12 llvm
 
     - name: build runtime
-      run:  CC=gcc-12 CXX=g++-12 make build
+      run:  CC=gcc-12 CXX=g++-12 make build -j
 
     - name: test runtime
       run:  make unit-test
diff --git a/.github/workflows/test-vm.yml b/.github/workflows/test-vm.yml
index 5fe49fff..72f1102a 100644
--- a/.github/workflows/test-vm.yml
+++ b/.github/workflows/test-vm.yml
@@ -44,4 +44,4 @@ jobs:
         sudo apt install python3-pytest
         pip install -r vm/test/requirements.txt
         # make build # or build-arm32 build-arm64
-        make -C vm test-vm
+        make -C vm test-vm -j
diff --git a/Dockerfile b/Dockerfile
index 96e07391..48925adf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,4 +10,4 @@ RUN git submodule update --init --recursive
 ENV CXX=g++
 ENV CC=gcc
 ENV PATH="${PATH}:/root/.cargo/bin"
-RUN make release && make install
+RUN make release -j && make install -j