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Date:   Fri, 22 Mar 2019 15:09:11 -0700
From:   tip-bot for Tony Jones <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     tonyj@...e.de, linux-kernel@...r.kernel.org, mingo@...nel.org,
        tglx@...utronix.de, s1seetee@...ux.vnet.ibm.com,
        adrian.hunter@...el.com, hpa@...or.com, acme@...hat.com
Subject: [tip:perf/urgent] perf script python: Add Python3 support to
 export-to-sqlite.py

Commit-ID:  ebf6c5c181abe9309788c6241d39602a1ce18723
Gitweb:     https://git.kernel.org/tip/ebf6c5c181abe9309788c6241d39602a1ce18723
Author:     Tony Jones <tonyj@...e.de>
AuthorDate: Fri, 8 Mar 2019 16:05:17 -0800
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 11 Mar 2019 16:12:59 -0300

perf script python: Add Python3 support to export-to-sqlite.py

Support both Python2 and Python3 in the export-to-sqlite.py script

The use of 'from __future__' implies the minimum supported Python2 version
is now v2.6

Signed-off-by: Tony Jones <tonyj@...e.de>
Acked-by: Adrian Hunter <adrian.hunter@...el.com>
Link: http://lkml.kernel.org/r/20190309000518.2438-4-tonyj@suse.de
Signed-off-by: Seeteena Thoufeek <s1seetee@...ux.vnet.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/scripts/python/export-to-sqlite.py | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/tools/perf/scripts/python/export-to-sqlite.py b/tools/perf/scripts/python/export-to-sqlite.py
index eb63e6c7107f..3da338243aed 100644
--- a/tools/perf/scripts/python/export-to-sqlite.py
+++ b/tools/perf/scripts/python/export-to-sqlite.py
@@ -10,6 +10,8 @@
 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 # more details.
 
+from __future__ import print_function
+
 import os
 import sys
 import struct
@@ -60,11 +62,14 @@ perf_db_export_mode = True
 perf_db_export_calls = False
 perf_db_export_callchains = False
 
+def printerr(*args, **keyword_args):
+	print(*args, file=sys.stderr, **keyword_args)
+
 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"
+	printerr("Usage is: export-to-sqlite.py <database name> [<columns>] [<calls>] [<callchains>]");
+	printerr("where:	columns		'all' or 'branches'");
+	printerr("		calls		'calls' => create calls and call_paths table");
+	printerr("		callchains	'callchains' => create call_paths table");
 	raise Exception("Too few arguments")
 
 if (len(sys.argv) < 2):
@@ -100,7 +105,7 @@ 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:
@@ -378,7 +383,7 @@ 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")
@@ -397,14 +402,14 @@ 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)')
 		do_query(query, 'CREATE INDEX pid_idx ON calls (parent_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

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