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Subject[PATCH 13/15] perf script python: add Python3 support to syscall-counts.py
Date
Support both Python2 and Python3 in the syscall-counts.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 <tonyj@suse.de>
Signed-off-by: Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>
---
tools/perf/scripts/python/syscall-counts.py | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/tools/perf/scripts/python/syscall-counts.py b/tools/perf/scripts/python/syscall-counts.py
index e66a7730aeb5..0ebd89cfd42c 100644
--- a/tools/perf/scripts/python/syscall-counts.py
+++ b/tools/perf/scripts/python/syscall-counts.py
@@ -5,6 +5,8 @@
# Displays system-wide system call totals, broken down by syscall.
# If a [comm] arg is specified, only syscalls called by [comm] are displayed.

+from __future__ import print_function
+
import os
import sys

@@ -28,7 +30,7 @@ if len(sys.argv) > 1:
syscalls = autodict()

def trace_begin():
- print "Press control+C to stop and show the summary"
+ print("Press control+C to stop and show the summary")

def trace_end():
print_syscall_totals()
@@ -51,14 +53,14 @@ def syscalls__sys_enter(event_name, context, common_cpu,

def print_syscall_totals():
if for_comm is not None:
- print "\nsyscall events for %s:\n\n" % (for_comm),
+ print("\nsyscall events for %s:\n" % (for_comm))
else:
- print "\nsyscall events:\n\n",
+ print("\nsyscall events:\n")

- print "%-40s %10s\n" % ("event", "count"),
- print "%-40s %10s\n" % ("----------------------------------------", \
- "-----------"),
+ print("%-40s %10s" % ("event", "count"))
+ print("%-40s %10s" % ("----------------------------------------",
+ "-----------"))

- for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \
+ for id, val in sorted(syscalls.items(), key = lambda kv: (kv[1], kv[0]), \
reverse = True):
- print "%-40s %10d\n" % (syscall_name(id), val),
+ print("%-40s %10d" % (syscall_name(id), val))
--
2.20.1
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