diff --git a/tools/perf/util/python-ext-sources b/tools/perf/util/python-ext-sources
index 51be28b1bca2..38a0b63ebe8b 100644
--- a/tools/perf/util/python-ext-sources
+++ b/tools/perf/util/python-ext-sources
@@ -10,6 +10,8 @@ util/ctype.c
 util/evlist.c
 util/evsel.c
 util/cpumap.c
+util/bitmap.c
+../lib/util/find_next_bit.c
 ../lib/hweight.c
 util/thread_map.c
 util/util.c