diff --git a/python/dune/perftool/pdelab_names.py b/python/dune/perftool/pdelab_names.py
new file mode 100644
index 0000000000000000000000000000000000000000..ec0c7aea3f5d4cc56fa03bfa18115374b9d19b3c
--- /dev/null
+++ b/python/dune/perftool/pdelab_names.py
@@ -0,0 +1,4 @@
+_namedict = {"quadrature_factor": "fac"}
+
+def name(key):
+    return _namedict[key]
\ No newline at end of file
diff --git a/python/dune/perftool/restriction.py b/python/dune/perftool/restriction.py
new file mode 100644
index 0000000000000000000000000000000000000000..fa06bca3d581b54ad724163642d813f35181d9c7
--- /dev/null
+++ b/python/dune/perftool/restriction.py
@@ -0,0 +1,4 @@
+class Restriction:
+    NONE = 0
+    POSITIVE = 1
+    NEGATIVE = 2
\ No newline at end of file