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

[Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>]

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

Signed-off-by: Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>
Reviewed-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
---
 tools/perf/scripts/python/export-to-sqlite.py | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/tools/perf/scripts/python/export-to-sqlite.py b/tools/perf/scripts/python/export-to-sqlite.py
index 245caf2..66be899 100644
--- a/tools/perf/scripts/python/export-to-sqlite.py
+++ b/tools/perf/scripts/python/export-to-sqlite.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
@@ -100,7 +101,7 @@ def do_query_(q):
 		return
 	raise Exception("Query failed: " + q.lastError().text())
 
-print datetime.datetime.today(), "Creating database..."
+print(datetime.datetime.today(), "Creating database...")
 
 db_exists = False
 try:
@@ -376,7 +377,7 @@ if perf_db_export_calls:
 	call_query.prepare("INSERT INTO calls VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)")
 
 def trace_begin():
-	print datetime.datetime.today(), "Writing records..."
+	print(datetime.datetime.today(), "Writing records...")
 	do_query(query, 'BEGIN TRANSACTION')
 	# id == 0 means unknown.  It is easier to create records for them than replace the zeroes with NULLs
 	evsel_table(0, "unknown")
@@ -394,13 +395,13 @@ unhandled_count = 0
 def trace_end():
 	do_query(query, 'END TRANSACTION')
 
-	print datetime.datetime.today(), "Adding indexes"
+	print(datetime.datetime.today(), "Adding indexes")
 	if perf_db_export_calls:
 		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