diff --git a/[refs] b/[refs]
index 025a1b5fa6e1..2ea315514327 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e35ef355ad3dd26bff79c8711f070ac69501dfa3
+refs/heads/master: 88fd2b6a76264e9e14463f532caae09d82a53207
diff --git a/trunk/tools/perf/util/python-ext-sources b/trunk/tools/perf/util/python-ext-sources
index c40c2d33199e..64536a993f4a 100644
--- a/trunk/tools/perf/util/python-ext-sources
+++ b/trunk/tools/perf/util/python-ext-sources
@@ -18,4 +18,5 @@ util/cgroup.c
 util/debugfs.c
 util/rblist.c
 util/strlist.c
+util/sysfs.c
 ../../lib/rbtree.c