Unify benchmark job name conventions

.github/workflows/benchmark_asterinas.yml

@@ -185,7 +185,7 @@ jobs:
         run: |
           BENCHMARK_DIR=$(echo ${{ matrix.benchmark }} | sed 's/-/\//g')
           BENCHMARK_SUITE=$(echo $BENCHMARK_DIR | awk -F'/' '{print $1}')
-          BENCHMARK_NAME=$(basename "$BENCHMARK_DIR")
+          BENCHMARK_NAME=$(echo "$BENCHMARK_DIR" | sed -E 's|^[^/]+/||; s|/bench_results||g; s|/|_|g')
           BENCH_RESULT="test/benchmark/${BENCHMARK_DIR}/bench_result.json"
           [ -f "$BENCH_RESULT" ] || BENCH_RESULT="test/benchmark/${BENCHMARK_DIR}.json"
           ALERT_THRESHOLD=$(jq -r '.alert.threshold // "130%"' "$BENCH_RESULT")