gstreamer/debug-viewer/tests/performance.py

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#!/usr/bin/env python
# -*- coding: utf-8; mode: python; -*-
#
# GStreamer Debug Viewer - View and analyze GStreamer debug log files
#
# Copyright (C) 2007 René Stadler <mail@renestadler.de>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3 of the License, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# this program. If not, see <http://www.gnu.org/licenses/>.
"""GStreamer Debug Viewer performance test program."""
import sys
import os
import os.path
from glob import glob
import time
import gi
from gi.repository import GObject
sys.path.insert (0, os.path.join (sys.path[0], os.pardir))
from GstDebugViewer import Common, Data, GUI
class TestParsingPerformance (object):
def __init__ (self, filename):
self.main_loop = GObject.MainLoop ()
self.log_file = Data.LogFile (filename, Common.Data.DefaultDispatcher ())
self.log_file.consumers.append (self)
def start (self):
self.log_file.start_loading ()
def handle_load_started (self):
self.start_time = time.time ()
def handle_load_finished (self):
diff = time.time () - self.start_time
print "line cache built in %0.1f ms" % (diff * 1000.,)
start_time = time.time ()
model = GUI.LazyLogModel (self.log_file)
for row in model:
pass
diff = time.time () - start_time
print "model iterated in %0.1f ms" % (diff * 1000.,)
print "overall time spent: %0.1f s" % (time.time () - self.start_time,)
import resource
rusage = resource.getrusage (resource.RUSAGE_SELF)
print "time spent in user mode: %.2f s" % (rusage.ru_utime,)
print "time spent in system mode: %.2f s" % (rusage.ru_stime,)
def main ():
if len (sys.argv) > 1:
test = TestParsingPerformance (sys.argv[1])
test.start ()
if __name__ == "__main__":
main ()