diff --git a/.gitignore b/.gitignore
index a401c4c..424bd83 100644
--- a/.gitignore
+++ b/.gitignore
@@ -47,3 +47,9 @@ ehthumbs.db
 Icon?
 Thumbs.db
 .directory
+
+# Profiling outputs #
+#####################
+perf.data
+perf.data.old
+callgrind.out.*