system_cpu.yml

name: CPU Subsystem

on:
  push:
    branches:
      - "*"
    paths: 
      - 'eBPF_Supermarket/CPU_Subsystem/**'
      - '.github/workflows/system_cpu.yml'
  pull_request:
    branches:
      - "*"
    paths:
      - 'eBPF_Supermarket/CPU_Subsystem/**'
      - '.github/workflows/system_cpu.yml'

jobs:
  bcc-project-build-and-test:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3

      - name: Set up Python 3.10
        uses: actions/setup-python@v3
        with:
          python-version: "3.10"

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          sudo pip install psutil==5.9.1
          pip install flake8 pytest
          cd eBPF_Supermarket/CPU_Subsystem/BCC_sar
          sudo apt-get install bpfcc-tools linux-headers-$(uname -r) # install BCC
      
      # - name: Build BCC
      #   run: |
      #     set -x
      #     sudo apt-get update
      #     # Use release 9 of llvm etc. - later versions have an unfixed
      #     # bug on Ubuntu:
      #     # https://github.com/iovisor/bcc/issues/2915
      #     sudo apt-get -y install bison build-essential cmake flex git libelf-dev libfl-dev libedit-dev libllvm9 llvm-9-dev libclang-9-dev python zlib1g-dev
      #     pushd /tmp
      #     git clone --depth 1 --branch v0.20.0 https://github.com/iovisor/bcc.git
      #     mkdir -p bcc/build; cd bcc/build
      #     # Symlink /usr/lib/llvm to avoid "Unable to find clang libraries"
      #     # The directory appears only to be created when installing the
      #     # virtual llvm-dev package.
      #     # https://github.com/iovisor/bcc/issues/492
      #     sudo ln -s /usr/lib/llvm-9 /usr/local/llvm
      #     cmake ..
      #     make
      #     sudo make install

      - name: Run BCC_sar
        run: |
          cd eBPF_Supermarket/CPU_Subsystem/BCC_sar/src/sar
          sudo python3 sar.py -h
          sudo python3 sar.py -t time -c 3
          sudo python3 sar.py -t percent -c 5
          sudo python3 sar.py -t percent -c 3 -i 2

      - name: Run BCC_sar(Per Process)
        run: |
          cd eBPF_Supermarket/CPU_Subsystem/BCC_sar/src/sar
          # find the process which runs for the longest time
          TARGET=$(ps -eo pid --sort -time | sed -n "2p" | awk '{print $1}')
          echo target=$TARGET
          sudo python3 sar.py -t time -c 3 -p $TARGET
          sudo python3 sar.py -t percent -c 3 -p $TARGET

  go-build-and-test:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v3

      - name: Set up Go
        uses: actions/setup-go@v3
        with:
          go-version: 1.18

      - name: Build Cilium And Run Go Program
        run: |
          sudo apt install clang llvm
          export BPF_CLANG=clang # configure llvm

          # # 为当前平台单独生成一个vmlinux.h
          # 可能会覆盖原有仓库的文件，有问题
          # sudo apt install linux-tools-$(uname -r)
          # sudo apt install linux-tools-generic
          # sudo bpftool btf dump file /sys/kernel/btf/vmlinux format c > cd eBPF_Supermarket/CPU_Subsystem/vmlinux.h
          # echo 'Already produce own vmlinux.h'

          # 查看目标平台CPU信息
          cat /proc/cpuinfo

          cd eBPF_Supermarket/CPU_Subsystem/go_sar

          # download cilium-eBPF package
          go mod tidy
          cd program
          chmod +x run.sh
          uname -r
          ./run.sh

  cpu_watcher-project-build-and-test:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3

      - name: Install dependencies and Init Env
        run: |
          sudo apt update
          sudo apt install libbpf-dev clang llvm libelf-dev libpcap-dev gcc-multilib build-essential
          git submodule update --init --recursive

      - name: Run cpu_watcher
        run: |
          cd eBPF_Supermarket/CPU_Subsystem/cpu_watcher
          make cpu_watcher
          sudo ./cpu_watcher