diff --git a/tools/perf/scripts/python/net_dropmonitor.py b/tools/perf/scripts/python/net_dropmonitor.py
index adbfbf030576038d1a90d194ee22ebeaa6c8afcb..4c1160560917b1d2ddf36c2ca614f0c011519d36 100755
--- a/tools/perf/scripts/python/net_dropmonitor.py
+++ b/tools/perf/scripts/python/net_dropmonitor.py
@@ -40,9 +40,9 @@ def get_kallsyms_table():
 
 def get_sym(sloc):
 	loc = int(sloc)
-	for i in kallsyms:
-		if (i['loc'] >= loc):
-			return (i['name'], i['loc']-loc)
+	for i in kallsyms[::-1]:
+		if loc >= i['loc']:
+			return (i['name'], loc - i['loc'])
 	return (None, 0)
 
 def print_drop_table():