diff --git a/tools/fileslower.py b/tools/fileslower.py
index 6fa0c26..31e3adf 100755
--- a/tools/fileslower.py
+++ b/tools/fileslower.py
@@ -220,7 +220,7 @@
     "BYTES", "LAT(ms)", "FILENAME"))
 
 start_ts = time.time()
-
+DNAME_INLINE_LEN = 32 
 def print_event(cpu, data, size):
     event = b["events"].event(data)