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From:   Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>
To:     tonyj@suse.de, peterz@infradead.org, mingo@redhat.com,
        acme@kernel.org, alexander.shishkin@linux.intel.com,
        jolsa@redhat.com, namhyung@kernel.org,
        linux-kernel@vger.kernel.org, ravi.bangoria@linux.ibm.com
Cc:     s1seetee@linux.vnet.ibm.com
Subject: [PATCH v3] perf scripts python: Add Python 3 support to export-to-sqlite.py
Date:   Mon, 21 Jan 2019 16:09:17 +0530
Message-Id: <1548067157-10395-1-git-send-email-s1seetee@linux.vnet.ibm.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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.

Also, handles the conversion of "print >> sys.stderr".

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 | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/tools/perf/scripts/python/export-to-sqlite.py b/tools/perf/scripts/python/export-to-sqlite.py
index 245caf2..95bfcb2 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
@@ -61,10 +62,10 @@ perf_db_export_calls = False
 perf_db_export_callchains = False
 
 def usage():
-	print >> sys.stderr, "Usage is: export-to-sqlite.py <database name> [<columns>] [<calls>] [<callchains>]"
-	print >> sys.stderr, "where:	columns		'all' or 'branches'"
-	print >> sys.stderr, "		calls		'calls' => create calls and call_paths table"
-	print >> sys.stderr, "		callchains	'callchains' => create call_paths table"
+	sys.stderr.write("Usage is: export-to-sqlite.py <database name> [<columns>] [<calls>] [<callchains>]");
+	sys.stderr.write("where:	columns		'all' or 'branches'");
+	sys.stderr.write("		calls		'calls' => create calls and call_paths table");
+	sys.stderr.write("		callchains	'callchains' => create call_paths table");
 	raise Exception("Too few arguments")
 
 if (len(sys.argv) < 2):
@@ -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