trace: fix for python3
xrange does not exist in py3.
diff --git a/tools/trace.py b/tools/trace.py
index 184aff9..5ea5e4b 100755
--- a/tools/trace.py
+++ b/tools/trace.py
@@ -483,10 +483,10 @@
def _format_message(self, bpf, tgid, values):
# Replace each %K with kernel sym and %U with user sym in tgid
- kernel_placeholders = [i for i in xrange(0, len(self.types))
- if self.types[i] == 'K']
- user_placeholders = [i for i in xrange(0, len(self.types))
- if self.types[i] == 'U']
+ kernel_placeholders = [i for i, t in enumerate(self.types)
+ if t == 'K']
+ user_placeholders = [i for i, t in enumerate(self.types)
+ if t == 'U']
for kp in kernel_placeholders:
values[kp] = bpf.ksymaddr(values[kp])
for up in user_placeholders: