Source code for enable.savage.compliance.profile_this
# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
from cProfile import Profile
from traits.api import Any, Dict, Event, HasTraits, Str
[docs]class ProfileThis(HasTraits):
""" Control profiling of different parts of the code.
"""
# Mapping of str name to Profile instance.
profilers = Dict()
# The active Profile instance.
active_profile = Any()
active_profile_name = Str()
# An event with the profiler just ending.
profile_ended = Event()
[docs] def start(self, name):
""" Start a particular profile.
"""
if self.active_profile is None:
if name not in self.profilers:
self.profilers[name] = Profile()
self.active_profile = self.profilers[name]
self.active_profile_name = name
self.active_profile.clear()
self.active_profile.enable()
[docs] def stop(self):
""" Stop the running profile.
"""
if self.active_profile is not None:
p = self.active_profile
name = self.active_profile_name
p.disable()
self.active_profile = None
self.active_profile_name = ""
self.profile_ended = (name, p)