linux-kernel - [PATCH] perf scripts python: Add Python 3 support to syscall-counts-by-pid.py

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Message-Id: <1547655825-28754-15-git-send-email-s1seetee@linux.vnet.ibm.com>
Date:   Wed, 16 Jan 2019 21:53:43 +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 syscall-counts-by-pid.py

Support both Python 2 and Python 3 in syscall-counts-by-pid.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/syscall-counts-by-pid.py | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/tools/perf/scripts/python/syscall-counts-by-pid.py b/tools/perf/scripts/python/syscall-counts-by-pid.py
index daf314c..f3f17fd 100644
--- a/tools/perf/scripts/python/syscall-counts-by-pid.py
+++ b/tools/perf/scripts/python/syscall-counts-by-pid.py
@@ -31,7 +31,7 @@ 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()
@@ -55,20 +55,20 @@ 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\n" % (for_comm)),
     else:
-	    print "\nsyscall events by comm/pid:\n\n",
+	    print("\nsyscall events by comm/pid:\n\n"),
 
-    print "%-40s  %10s\n" % ("comm [pid]/syscalls", "count"),
-    print "%-40s  %10s\n" % ("----------------------------------------", \
-                                 "----------"),
+    print("%-40s  %10s\n" % ("comm [pid]/syscalls", "count")),
+    print("%-40s  %10s\n" % ("----------------------------------------", \
+                                 "----------")),
 
     comm_keys = syscalls.keys()
     for comm in comm_keys:
 	    pid_keys = syscalls[comm].keys()
 	    for pid in pid_keys:
-		    print "\n%s [%d]\n" % (comm, pid),
+		    print("\n%s [%d]\n" % (comm, pid)),
 		    id_keys = syscalls[comm][pid].keys()
 		    for id, val in sorted(syscalls[comm][pid].iteritems(), \
-				  key = lambda(k, v): (v, k),  reverse = True):
-			    print "  %-38s  %10d\n" % (syscall_name(id), val),
+				  key = lambda k_v: (k_v[1], k_v[0]),  reverse = True):
+			    print("  %-38s  %10d\n" % (syscall_name(id), val)),
-- 
1.8.3.1