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-rwxr-xr-xtools/perf/scripts/python/stackcollapse.py7
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/perf/scripts/python/stackcollapse.py b/tools/perf/scripts/python/stackcollapse.py
index 1697b5e18c96..5e703efaddcc 100755
--- a/tools/perf/scripts/python/stackcollapse.py
+++ b/tools/perf/scripts/python/stackcollapse.py
@@ -19,6 +19,8 @@
# Written by Paolo Bonzini <pbonzini@redhat.com>
# Based on Brendan Gregg's stackcollapse-perf.pl script.
+from __future__ import print_function
+
import os
import sys
from collections import defaultdict
@@ -120,7 +122,6 @@ def process_event(param_dict):
lines[stack_string] = lines[stack_string] + 1
def trace_end():
- list = lines.keys()
- list.sort()
+ list = sorted(lines)
for stack in list:
- print "%s %d" % (stack, lines[stack])
+ print("%s %d" % (stack, lines[stack]))