name: MemBrowse Memory Report

on:
  pull_request:
    paths:
      - '.github/membrowse-targets.json'
      - '.github/workflows/membrowse-report.yml'
      - 'Kconfig'
      - 'bsp/**'
      - 'components/**'
      - 'include/**'
      - 'libcpu/**'
      - 'src/**'
      - 'tools/**'
      - '!**/README*'
      - '!**/readme*'
      - '!bsp/**/docs/**'
  push:
    branches:
      - master
    paths:
      - '.github/membrowse-targets.json'
      - '.github/workflows/membrowse-report.yml'
      - 'Kconfig'
      - 'bsp/**'
      - 'components/**'
      - 'include/**'
      - 'libcpu/**'
      - 'src/**'
      - 'tools/**'
      - '!**/README*'
      - '!**/readme*'
      - '!bsp/**/docs/**'

concurrency:
  group: ${{ github.workflow }}-${{ github.event_name == 'push' && github.sha || github.ref }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  load-targets:
    if: ${{ github.repository == 'RT-Thread/rt-thread' }}
    runs-on: ubuntu-22.04
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
      target_count: ${{ steps.set-matrix.outputs.target_count }}
      skipped_matrix: ${{ steps.set-matrix.outputs.skipped_matrix }}
      skipped_count: ${{ steps.set-matrix.outputs.skipped_count }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: Collect changed files
        run: |
          if [ "${{ github.event_name }}" = "pull_request" ]; then
            git diff --name-only origin/${{ github.base_ref }}...HEAD > changed_files.txt
          elif [ "${{ github.event.before }}" != "0000000000000000000000000000000000000000" ]; then
            git diff --name-only ${{ github.event.before }} ${{ github.sha }} > changed_files.txt
          else
            git diff --name-only origin/${{ github.event.repository.default_branch }}...HEAD > changed_files.txt
          fi
          cat changed_files.txt

      - name: Load target matrix
        id: set-matrix
        run: python3 tools/ci/membrowse_filter_targets.py --targets .github/membrowse-targets.json --changed-files changed_files.txt

  analyze:
    needs: load-targets
    if: ${{ needs.load-targets.outputs.target_count != '0' }}
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        include: ${{ fromJson(needs.load-targets.outputs.matrix) }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: Install env tool and Python build deps
        run: |
          sudo apt-get update -qq
          sudo apt-get install -y -qq python3 python3-pip wget xz-utils build-essential
          wget -qO install_ubuntu.sh https://raw.githubusercontent.com/RT-Thread/env/master/install_ubuntu.sh
          bash install_ubuntu.sh

      - name: Install toolchain
        run: |
          set -e
          case "${{ matrix.toolchain }}" in
            arm-none-eabi)
              sudo apt-get install -y -qq gcc-arm-none-eabi
              echo "TOOLCHAIN_PATH=/usr/bin" >> $GITHUB_ENV
              ;;
            aarch64-none-elf)
              wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.6/gcc-arm-10.2-2020.11-x86_64-aarch64-none-elf.tar.xz
              sudo tar -xf gcc-arm-10.2-2020.11-x86_64-aarch64-none-elf.tar.xz -C /opt
              echo "TOOLCHAIN_PATH=/opt/gcc-arm-10.2-2020.11-x86_64-aarch64-none-elf/bin" >> $GITHUB_ENV
              ;;
            llvm-arm)
              wget -q https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm/releases/download/release-16.0.0/LLVMEmbeddedToolchainForArm-16.0.0-Linux-x86_64.tar.gz
              sudo tar zxf LLVMEmbeddedToolchainForArm-16.0.0-Linux-x86_64.tar.gz -C /opt
              sudo apt-get install -y -qq libncurses5 libncurses5-dev libncursesw5-dev
              echo "TOOLCHAIN_PATH=/opt/LLVMEmbeddedToolchainForArm-16.0.0-Linux-x86_64/bin" >> $GITHUB_ENV
              ;;
            mips-sde-elf)
              wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.1/mips-2016.05-7-mips-sde-elf-i686-pc-linux-gnu.tar.bz2
              sudo tar xjf mips-2016.05-7-mips-sde-elf-i686-pc-linux-gnu.tar.bz2 -C /opt
              echo "TOOLCHAIN_PATH=/opt/mips-2016.05/bin" >> $GITHUB_ENV
              ;;
            i386-unknown-elf)
              wget -q https://github.com/zhkag/toolchains/releases/download/i386-unknown/i386-unknown-elf_for_x86_64-pc-linux-gnu_latest.tar.bz2
              sudo tar -jxf i386-unknown-elf_for_x86_64-pc-linux-gnu_latest.tar.bz2 -C /opt
              echo "TOOLCHAIN_PATH=/opt/i386-unknown-elf_for_x86_64-pc-linux-gnu/bin" >> $GITHUB_ENV
              ;;
            riscv-none-embed)
              wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.5/xpack-riscv-none-embed-gcc-8.3.0-2.3-linux-x64.tar.gz
              sudo tar zxf xpack-riscv-none-embed-gcc-8.3.0-2.3-linux-x64.tar.gz -C /opt
              echo "TOOLCHAIN_PATH=/opt/xpack-riscv-none-embed-gcc-8.3.0-2.3/bin" >> $GITHUB_ENV
              ;;
            riscv32-unknown-elf-multilib)
              wget -q https://github.com/hpmicro/riscv-gnu-toolchain/releases/download/2022.05.15/riscv32-unknown-elf-newlib-multilib_2022.05.15_linux.tar.gz
              sudo tar zxf riscv32-unknown-elf-newlib-multilib_2022.05.15_linux.tar.gz -C /opt
              echo "TOOLCHAIN_PATH=/opt/riscv32-unknown-elf-newlib-multilib/bin" >> $GITHUB_ENV
              ;;
            xuantie-elf-newlib)
              wget -q https://occ-oss-prod.oss-cn-hangzhou.aliyuncs.com/resource//1751370399722/Xuantie-900-gcc-elf-newlib-x86_64-V3.2.0-20250627.tar.gz
              sudo tar -zxf Xuantie-900-gcc-elf-newlib-x86_64-V3.2.0-20250627.tar.gz -C /opt
              echo "TOOLCHAIN_PATH=/opt/Xuantie-900-gcc-elf-newlib-x86_64-V3.2.0/bin" >> $GITHUB_ENV
              ;;
            riscv32-esp-elf)
              wget -q https://github.com/espressif/crosstool-NG/releases/download/esp-15.2.0_20251204/riscv32-esp-elf-15.2.0_20251204-x86_64-linux-gnu.tar.xz
              sudo tar xf riscv32-esp-elf-15.2.0_20251204-x86_64-linux-gnu.tar.xz -C /opt
              echo "TOOLCHAIN_PATH=/opt/riscv32-esp-elf/bin" >> $GITHUB_ENV
              ;;
            riscv64-linux-musl-k230)
              wget -q https://download.rt-thread.org/rt-smart/riscv64/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu_251248.tar.bz2
              sudo tar xjf riscv64-linux-musleabi_for_x86_64-pc-linux-gnu_251248.tar.bz2 -C /opt
              echo "TOOLCHAIN_PATH=/opt/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu/bin" >> $GITHUB_ENV
              ;;
            gcc-host)
              sudo apt-get install -y -qq libsdl2-dev
              echo "TOOLCHAIN_PATH=/usr/bin" >> $GITHUB_ENV
              ;;
            *)
              echo "Unknown toolchain: ${{ matrix.toolchain }}"; exit 1 ;;
          esac

      - name: Build
        env:
          MATRIX_RTT_CC: ${{ matrix.rtt_cc }}
          MATRIX_RTT_CC_PREFIX: ${{ matrix.rtt_cc_prefix }}
        run: |
          source $HOME/.env/env.sh
          pip install -r tools/requirements.txt
          if [ "${{ matrix.toolchain }}" = "riscv32-esp-elf" ]; then
            python -m pip install esptool
          fi
          export RTT_EXEC_PATH="$TOOLCHAIN_PATH"
          export RTT_ROOT="$PWD"
          export RTT_CC="${MATRIX_RTT_CC:-gcc}"
          [ -n "$MATRIX_RTT_CC_PREFIX" ] && export RTT_CC_PREFIX="$MATRIX_RTT_CC_PREFIX"
          cd "${{ matrix.bsp_path }}"
          pkgs --update --force-update
          scons --pyconfig-silent
          scons -j$(nproc)

      - name: Run MemBrowse analysis
        uses: membrowse/membrowse-action@v1
        with:
          target_name: ${{ matrix.target_name }}
          elf: ${{ matrix.elf }}
          ld: ${{ matrix.ld }}
          map_file: ${{ matrix.map_file }}
          linker_vars: ${{ matrix.linker_vars }}
          api_key: ${{ secrets.MEMBROWSE_API_KEY }}
          api_url: ${{ vars.MEMBROWSE_API_URL }}
          verbose: INFO
          # Uncomment to allow CI to pass even when memory budgets are exceeded
          # dont_fail_on_alerts: true

  # Targets not affected by this push are not rebuilt, but their binaries are
  # unchanged. Report them as identical (metadata-only, no build) so every
  # target keeps an unbroken per-commit chain instead of a hole on each commit
  # that only touched other BSPs. Only runs on push to master; PRs are transient
  # and keep the build-affected-only behavior above.
  mark-identical:
    needs: load-targets
    if: ${{ github.event_name == 'push' && needs.load-targets.outputs.skipped_count != '0' }}
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        include: ${{ fromJson(needs.load-targets.outputs.skipped_matrix) }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: Mark MemBrowse report identical
        # Non-fatal: an identical upload needs the parent commit to already have
        # a report for this target. Right after adoption some parents predate
        # this job and the upload is rejected; it self-heals once the target is
        # next built (a full report needs no parent) and every later commit is
        # covered. Don't fail the run over that transient window.
        continue-on-error: true
        uses: membrowse/membrowse-action@v1
        with:
          target_name: ${{ matrix.target_name }}
          identical: true
          api_key: ${{ secrets.MEMBROWSE_API_KEY }}
          api_url: ${{ vars.MEMBROWSE_API_URL }}
          verbose: INFO