CI: Kill zombie diffusion processes in CI & minor code style fix on rotary embedding fallback (#13637)

python/sglang/srt/metrics/label_transform.py

@@ -0,0 +1,27 @@
+from typing import Optional
+
+_PRIORITY_MIN = 0
+_PRIORITY_MAX = 31
+_LOW_PRIORITY_VALUE = "LOW"
+_HIGH_PRIORITY_VALUE = "HIGH"
+
+UNKNOWN_PRIORITY_VALUE = "UNKNOWN"
+
+
+def transform_priority(priority: Optional[int]) -> str:
+    """Transform the priority to a string for metrics reporting.
+    Limit the range to prevent high cardinality issues.
+
+    Args:
+        priority: The priority to transform.
+    Returns:
+        The transformed priority.
+    """
+    if priority is None:
+        return UNKNOWN_PRIORITY_VALUE
+    elif priority < _PRIORITY_MIN:
+        return _LOW_PRIORITY_VALUE
+    elif priority >= _PRIORITY_MAX:
+        return _HIGH_PRIORITY_VALUE
+    else:
+        return str(priority)