linux-kernel - [PATCH v2] perf scripts python: Add Python 3 support to export-to-postgresql.py

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Message-Id: <1547718344-27382-17-git-send-email-s1seetee@linux.vnet.ibm.com>
Date:   Thu, 17 Jan 2019 15:15:44 +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 export-to-postgresql.py

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

Signed-off-by: Seeteena Thoufeek <s1seetee@...ux.vnet.ibm.com>
Reviewed-by: Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
---
 tools/perf/scripts/python/export-to-postgresql.py | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/tools/perf/scripts/python/export-to-postgresql.py b/tools/perf/scripts/python/export-to-postgresql.py
index 0564dd7..82e10a6 100644
--- a/tools/perf/scripts/python/export-to-postgresql.py
+++ b/tools/perf/scripts/python/export-to-postgresql.py
@@ -9,6 +9,7 @@
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 # more details.
+from __future__ import print_function
 
 import os
 import sys
@@ -273,7 +274,7 @@ def do_query(q, s):
 		return
 	raise Exception("Query failed: " + q.lastError().text())
 
-print datetime.datetime.today(), "Creating database..."
+print(datetime.datetime.today(), "Creating database...")
 
 db = QSqlDatabase.addDatabase('QPSQL')
 query = QSqlQuery(db)
@@ -564,7 +565,7 @@ if perf_db_export_calls:
 	call_file		= open_output_file("call_table.bin")
 
 def trace_begin():
-	print datetime.datetime.today(), "Writing to intermediate files..."
+	print(datetime.datetime.today(), "Writing to intermediate files...")
 	# id == 0 means unknown.  It is easier to create records for them than replace the zeroes with NULLs
 	evsel_table(0, "unknown")
 	machine_table(0, 0, "unknown")
@@ -579,7 +580,7 @@ def trace_begin():
 unhandled_count = 0
 
 def trace_end():
-	print datetime.datetime.today(), "Copying to database..."
+	print(datetime.datetime.today(), "Copying to database...")
 	copy_output_file(evsel_file,		"selected_events")
 	copy_output_file(machine_file,		"machines")
 	copy_output_file(thread_file,		"threads")
@@ -594,7 +595,7 @@ def trace_end():
 	if perf_db_export_calls:
 		copy_output_file(call_file,		"calls")
 
-	print datetime.datetime.today(), "Removing intermediate files..."
+	print(datetime.datetime.today(), "Removing intermediate files...")
 	remove_output_file(evsel_file)
 	remove_output_file(machine_file)
 	remove_output_file(thread_file)
@@ -609,7 +610,7 @@ def trace_end():
 	if perf_db_export_calls:
 		remove_output_file(call_file)
 	os.rmdir(output_dir_name)
-	print datetime.datetime.today(), "Adding primary keys"
+	print(datetime.datetime.today(), "Adding primary keys")
 	do_query(query, 'ALTER TABLE selected_events ADD PRIMARY KEY (id)')
 	do_query(query, 'ALTER TABLE machines        ADD PRIMARY KEY (id)')
 	do_query(query, 'ALTER TABLE threads         ADD PRIMARY KEY (id)')
@@ -624,7 +625,7 @@ def trace_end():
 	if perf_db_export_calls:
 		do_query(query, 'ALTER TABLE calls           ADD PRIMARY KEY (id)')
 
-	print datetime.datetime.today(), "Adding foreign keys"
+	print(datetime.datetime.today(), "Adding foreign keys")
 	do_query(query, 'ALTER TABLE threads '
 					'ADD CONSTRAINT machinefk  FOREIGN KEY (machine_id)   REFERENCES machines   (id),'
 					'ADD CONSTRAINT processfk  FOREIGN KEY (process_id)   REFERENCES threads    (id)')
@@ -659,8 +660,8 @@ def trace_end():
 		do_query(query, 'CREATE INDEX pcpid_idx ON calls (parent_call_path_id)')
 
 	if (unhandled_count):
-		print datetime.datetime.today(), "Warning: ", unhandled_count, " unhandled events"
-	print datetime.datetime.today(), "Done"
+		print(datetime.datetime.today(), "Warning: ", unhandled_count, " unhandled events")
+	print(datetime.datetime.today(), "Done")
 
 def trace_unhandled(event_name, context, event_fields_dict):
 	global unhandled_count
-- 
1.8.3.1