linux-kernel - [PATCH] perf scripts python: Add Python 3 support to check-perf-trace.py

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Message-Id: <1547655825-28754-1-git-send-email-s1seetee@linux.vnet.ibm.com>
Date:   Wed, 16 Jan 2019 21:53:29 +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, ravi.bangoria@...ux.ibm.com
Subject: [PATCH] perf scripts python: Add Python 3 support to check-perf-trace.py

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

Fix indentation issue, replace spaces with tab

Signed-off-by: Seeteena Thoufeek <s1seetee@...ux.vnet.ibm.com>
Reviewed-by: Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
---
 tools/perf/scripts/python/check-perf-trace.py | 32 +++++++++++++--------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/tools/perf/scripts/python/check-perf-trace.py b/tools/perf/scripts/python/check-perf-trace.py
index 334599c..1c5fab9 100644
--- a/tools/perf/scripts/python/check-perf-trace.py
+++ b/tools/perf/scripts/python/check-perf-trace.py
@@ -19,7 +19,7 @@ from perf_trace_context import *
 unhandled = autodict()
 
 def trace_begin():
-	print "trace_begin"
+	print("trace_begin")
 	pass
 
 def trace_end():
@@ -31,10 +31,10 @@ def irq__softirq_entry(event_name, context, common_cpu,
 		print_header(event_name, common_cpu, common_secs, common_nsecs,
 			common_pid, common_comm)
 
-                print_uncommon(context)
+		print_uncommon(context)
 
-		print "vec=%s\n" % \
-		(symbol_str("irq__softirq_entry", "vec", vec)),
+		print("vec=%s\n" % \
+		(symbol_str("irq__softirq_entry", "vec", vec))),
 
 def kmem__kmalloc(event_name, context, common_cpu,
 	common_secs, common_nsecs, common_pid, common_comm,
@@ -43,13 +43,13 @@ def kmem__kmalloc(event_name, context, common_cpu,
 		print_header(event_name, common_cpu, common_secs, common_nsecs,
 			common_pid, common_comm)
 
-                print_uncommon(context)
+		print_uncommon(context)
 
-		print "call_site=%u, ptr=%u, bytes_req=%u, " \
+		print("call_site=%u, ptr=%u, bytes_req=%u, " \
 		"bytes_alloc=%u, gfp_flags=%s\n" % \
 		(call_site, ptr, bytes_req, bytes_alloc,
 
-		flag_str("kmem__kmalloc", "gfp_flags", gfp_flags)),
+		flag_str("kmem__kmalloc", "gfp_flags", gfp_flags))),
 
 def trace_unhandled(event_name, context, event_fields_dict):
     try:
@@ -58,25 +58,25 @@ def trace_unhandled(event_name, context, event_fields_dict):
         unhandled[event_name] = 1
 
 def print_header(event_name, cpu, secs, nsecs, pid, comm):
-	print "%-20s %5u %05u.%09u %8u %-20s " % \
-	(event_name, cpu, secs, nsecs, pid, comm),
+	print("%-20s %5u %05u.%09u %8u %-20s " % \
+	(event_name, cpu, secs, nsecs, pid, comm)),
 
 # print trace fields not included in handler args
 def print_uncommon(context):
-    print "common_preempt_count=%d, common_flags=%s, common_lock_depth=%d, " \
+    print("common_preempt_count=%d, common_flags=%s, common_lock_depth=%d, " \
         % (common_pc(context), trace_flag_str(common_flags(context)), \
-               common_lock_depth(context))
+               common_lock_depth(context)))
 
 def print_unhandled():
     keys = unhandled.keys()
     if not keys:
         return
 
-    print "\nunhandled events:\n\n",
+    print("\nunhandled events:\n\n"),
 
-    print "%-40s  %10s\n" % ("event", "count"),
-    print "%-40s  %10s\n" % ("----------------------------------------", \
-                                 "-----------"),
+    print("%-40s  %10s\n" % ("event", "count")),
+    print("%-40s  %10s\n" % ("----------------------------------------", \
+                                 "-----------")),
 
     for event_name in keys:
-	print "%-40s  %10d\n" % (event_name, unhandled[event_name])
+        print("%-40s  %10d\n" % (event_name, unhandled[event_name]))
-- 
1.8.3.1