GKI_KernelSU_SUSFS/.github/actions/cache-stats/action.yml

name: 'Show Cache Stats'
description: 'Displays statistics for ccache and Bazel remote cache to help analyze cache performance and hit rates'
inputs:
  clear_stats:
    description: 'Whether to clear ccache stats after displaying (default: true)'
    required: true
    type: boolean
    default: true

runs:
  using: 'composite'
  steps:
    - name: Show ccache Stats
      shell: bash
      working-directory: ${{ github.workspace }}
      run: |
        set -euo pipefail
        echo "===================="
        echo "=== ccache stats ==="
        echo "===================="
        
        if ! command -v ccache >/dev/null 2>&1; then
          echo "⚠️  ccache not installed, skipping ccache stats"
          echo "===================="
          exit 0
        fi
        
        ccache -s || true
        echo "====================="
        echo "=== ccache config ==="
        echo "====================="
        ccache -p || true
        echo "====================="

        STATS="$(ccache -s)"
        
        CACHEABLE=$(echo "$STATS" | awk '/Cacheable calls:/ {
          match($0, /[0-9]+/); 
          print substr($0, RSTART, RLENGTH)
        }' | head -n1)
        
        HITS=$(echo "$STATS" | awk '/^[[:space:]]*Hits:/ {
          match($0, /[0-9]+/); 
          print substr($0, RSTART, RLENGTH)
        }' | head -n1)
        
        DIRECT=$(echo "$STATS" | awk '/Direct:/ {
          match($0, /[0-9]+/); 
          print substr($0, RSTART, RLENGTH)
        }' | head -n1)
        
        if [ "${CACHEABLE:-0}" -gt 0 ]; then
          HIT_RATE=$(awk -v h="${HITS:-0}" -v c="$CACHEABLE" 'BEGIN{printf "%.1f", (h/c)*100}')
          DIRECT_RATE=$(awk -v d="${DIRECT:-0}" -v c="$CACHEABLE" 'BEGIN{printf "%.1f", (d/c)*100}')
        else
          HIT_RATE="0.0"
          DIRECT_RATE="0.0"
        fi
        
        echo "hit_rate=${HIT_RATE}%"
        echo "direct_rate=${DIRECT_RATE}%"

        if [ "${{ inputs.clear_stats }}" = "true" ]; then
          echo "=== ccache reset ==="
          echo "====================="
          ccache -z || true
          echo "====================="
        else
          echo "Keeping ccache stats for next run"
        fi

    - name: Show ccache folder Stats
      shell: bash
      working-directory: ${{ github.workspace }}
      run: |
        set -euo pipefail
        echo "==============="
        echo "=== .ccache ==="
        echo "==============="
        du -sh /home/runner/.ccache || true
        ls -l /home/runner/.ccache || true
        echo "==============="

    - name: Show Bazel Cache folder Stats
      shell: bash
      working-directory: ${{ github.workspace }}
      run: |
        set -euo pipefail
        echo "===================="
        echo "=== .cache/bazel ==="
        echo "===================="
        du -sh /home/runner/.cache/bazel || true
        ls -l /home/runner/.cache/bazel || true
        echo "===================="
        
    - name: Show ld cache folder Stats
      shell: bash
      working-directory: ${{ github.workspace }}
      run: |
        set -euo pipefail
        echo "================="
        echo "=== .ld_cache ==="
        echo "================="
        du -sh /home/runner/.ld_cache || true
        ls -l /home/runner/.ld_cache || true
        echo "================="