[PATCH v2] perf scripts python: Add Python 3 support to sctop.py

[Seeteena Thoufeek]

Support both Python 2 and Python 3 in sctop.py.``print``
is now a function rather than a statement. This should have no
functional change.

Signed-off-by: Seeteena Thoufeek <s1seetee@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxx>
---
 tools/perf/scripts/python/sctop.py | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/tools/perf/scripts/python/sctop.py b/tools/perf/scripts/python/sctop.py
index 61621b9..d059a2a 100644
--- a/tools/perf/scripts/python/sctop.py
+++ b/tools/perf/scripts/python/sctop.py
@@ -7,6 +7,7 @@
 # [comm] are displayed. If an [interval] arg is specified, the display
 # will be refreshed every [interval] seconds.  The default interval is
 # 3 seconds.
+from __future__ import print_function
 
 import os, sys, thread, time
 
@@ -62,18 +63,18 @@ def print_syscall_totals(interval):
 	while 1:
 		clear_term()
 		if for_comm is not None:
-			print "\nsyscall events for %s:\n\n" % (for_comm),
+			print("\nsyscall events for %s:\n\n" % (for_comm)),
 		else:
-			print "\nsyscall events:\n\n",
+			print("\nsyscall events:\n\n"),
 
-		print "%-40s  %10s\n" % ("event", "count"),
-		print "%-40s  %10s\n" % ("----------------------------------------", \
-						 "----------"),
+		print("%-40s  %10s\n" % ("event", "count")),
+		print("%-40s  %10s\n" % ("----------------------------------------", \
+						 "----------")),
 
-		for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \
+		for id, val in sorted(syscalls.iteritems(), key = lambda k_v: (k_v[1], k_v[0]), \
 					      reverse = True):
 			try:
-				print "%-40s  %10d\n" % (syscall_name(id), val),
+				print("%-40s  %10d\n" % (syscall_name(id), val)),
 			except TypeError:
 				pass
 		syscalls.clear()
-- 
1.8.3.1