renamed prompt_bench dir to tools

pipelines/tools/containers/lib.py

@@ -0,0 +1,23 @@
+from __future__ import annotations
+
+import logging
+import subprocess
+
+logger = logging.getLogger(__name__)
+
+
+def check_gpu_free() -> None:
+    """Warn if GPU-heavy processes (e.g. Ollama) are running."""
+    result = subprocess.run(
+        ["nvidia-smi", "--query-compute-apps=pid,process_name", "--format=csv,noheader"],
+        capture_output=True,
+        text=True,
+        check=False,
+    )
+    if result.returncode != 0:
+        logger.warning("Could not query GPU processes: %s", result.stderr.strip())
+        return
+    processes = result.stdout.strip()
+    if processes:
+        logger.warning("GPU processes detected:\n%s", processes)
+        logger.warning("Consider stopping Ollama (sudo systemctl stop ollama) before benchmarking")