linux-kernel - [PATCH v2] perf scripts python: Add Python 3 support to mem-phys-addr.py

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Date:   Thu, 17 Jan 2019 15:15:35 +0530
From:   Seeteena Thoufeek <s1seetee@...ux.vnet.ibm.com>
To:     peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
        alexander.shishkin@...ux.intel.com, jolsa@...hat.com,
        namhyung@...nel.org, linux-kernel@...r.kernel.org
Cc:     s1seetee@...ux.vnet.ibm.com
Subject: [PATCH v2] perf scripts python: Add Python 3 support to mem-phys-addr.py

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

Fix lambda syntax error.

Signed-off-by: Seeteena Thoufeek <s1seetee@...ux.vnet.ibm.com>
Reviewed-by: Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
---
 tools/perf/scripts/python/mem-phys-addr.py | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/tools/perf/scripts/python/mem-phys-addr.py b/tools/perf/scripts/python/mem-phys-addr.py
index ebee2c5..e30fc9d 100644
--- a/tools/perf/scripts/python/mem-phys-addr.py
+++ b/tools/perf/scripts/python/mem-phys-addr.py
@@ -3,6 +3,7 @@
 #
 # Copyright (c) 2018, Intel Corporation.
 
+from __future__ import print_function
 from __future__ import division
 import os
 import sys
@@ -38,14 +39,14 @@ def parse_iomem():
 			pmem.append(long(m[1], 16))
 
 def print_memory_type():
-	print "Event: %s" % (event_name)
-	print "%-40s  %10s  %10s\n" % ("Memory type", "count", "percentage"),
-	print "%-40s  %10s  %10s\n" % ("----------------------------------------", \
-					"-----------", "-----------"),
+	print("Event: %s" % (event_name))
+	print("%-40s  %10s  %10s\n" % ("Memory type", "count", "percentage")),
+	print("%-40s  %10s  %10s\n" % ("----------------------------------------", \
+					"-----------", "-----------")),
 	total = sum(load_mem_type_cnt.values())
 	for mem_type, count in sorted(load_mem_type_cnt.most_common(), \
-					key = lambda(k, v): (v, k), reverse = True):
-		print "%-40s  %10d  %10.1f%%\n" % (mem_type, count, 100 * count / total),
+					key = lambda k_v: (k_v[1], k_v[0]), reverse = True):
+		print("%-40s  %10d  %10.1f%%\n" % (mem_type, count, 100 * count / total)),
 
 def trace_begin():
 	parse_iomem()
-- 
1.8.3.1