Support both Python2 and Python3 in the stackcollapse.py script There may be differences in the ordering of output lines due to differences in dictionary ordering etc. However the format within lines should be unchanged.
The use of 'from __future__' implies the minimum supported Python2 version is now v2.6 Signed-off-by: Tony Jones <to...@suse.de> Signed-off-by: Seeteena Thoufeek <s1see...@linux.vnet.ibm.com> Cc: Paolo Bonzini <pbonz...@redhat.com> --- tools/perf/scripts/python/stackcollapse.py | 7 ++++--- 1 file 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 <pbonz...@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])) -- 2.20.1