diff --git a/tools/power/pm-graph/.gitignore b/tools/power/pm-graph/.gitignore
new file mode 100644
index 000000000000..37762a8a06d6
--- /dev/null
+++ b/tools/power/pm-graph/.gitignore
@@ -0,0 +1,3 @@
+# sleepgraph.py artifacts
+suspend-[0-9]*-[0-9]*
+suspend-[0-9]*-[0-9]*-x[0-9]*