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randerande
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[profiler] initial port of WDT from Symfony2
1 parent 8ce2582 commit c69690e

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-61
lines changed

‎docs/images/profiler_view_config.png

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‎docs/images/profiler_wdt.png

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‎docs/plugins/profiler.rst

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.. note::
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This documentation is under construction, more to come soon
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Profiler
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========
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The feature is enabled on dev mode, it does not work for threaded environment.
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Preview
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-------
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.. figure:: ../images/profiler_wdt.png
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:align: center
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The wdt display memory usage, processing time, controller and python version
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.. figure:: ../images/profiler_view_config.png
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:align: center
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Display more detailed information profiling panel: config, request, etc ..
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Credits
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-------
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The WDT is a python port of the `Symfony2 Profiler <http://symfony.com>`_.
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Icons created by `Sensio <http://sension.com>`_ are shared under a `Creative Commons Attribution license <http://creativecommons.org/licenses/by-sa/3.0/>`_.

‎element/__init__.py

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# vim: set fileencoding=utf-8 :
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# vim: set fileencoding=utf-8 :
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from pkg_resources import get_distribution
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__version__ = get_distribution('element').version

‎element/plugins/profiler/collector.py

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@@ -1,9 +1,32 @@
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class RequestCollector(object):
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import element
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import sys
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import platform
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import os
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import inspect, importlib
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from datetime import datetime
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import resource
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class BaseCollector(object):
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def on_request(self, request_handler, run):
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pass
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def on_callback(self, request_handler, run, name, callback, parameters):
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pass
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def on_terminate(self, request_handler, run):
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pass
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def on_response(self, request_handler, run):
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pass
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def get_template(self, run):
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return False
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class RequestCollector(BaseCollector):
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def on_request(self, request_handler, run):
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request = request_handler.request
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request_handler.run.add_metric('request', {
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run.add_metric('request', {
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'method': request.method,
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'uri': request.uri,
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'path': request.path,
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'body_arguments': request.body_arguments,
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'cookies': request.cookies.output(),
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'remote_ip': request.remote_ip,
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# this will be set on other events
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'status_code': False,
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'route': False,
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'controller': {
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'class': False,
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'file': False,
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'line': False,
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'method': False
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}
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})
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def get_class_name(self, method):
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# <class 'tests.plugins.profiler.test_collector.NodeHandler'>
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return ("%s" % method.im_class)[8:-2]
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def get_method_name(self, method):
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# <function execute at 0x2a60ed8>
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return ("%s" % method.im_func).split(" ")[1]
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def on_callback(self, request_handler, run, name, callback, parameters):
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run.get_metric('request').update({
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'route': name,
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'controller': {
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'class': self.get_class_name(callback),
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'method': self.get_method_name(callback)
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},
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'route_parameters': parameters
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})
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def on_response(self, request_handler, run):
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run.get_metric('request').update({
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'status_code': int(request_handler.get_status())
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})
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def get_template(self, run):
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return 'element.plugins.profiler:collector/request.html'
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class PyInfo(object):
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def __init__(self):
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self._buid = False
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self.system = {}
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self.build()
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def build(self):
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self.build_system()
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self._buid = True
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def get_system(self, name=None):
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if not name:
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return self.system
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return self.system[name]
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def build_system(self):
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"""
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from https://github.com/Dreyer/pyinfo/blob/master/pyinfo.py
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"""
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system = {
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'path': False,
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'os_path': False,
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'os_version': False,
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'version': False,
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'subversion': False,
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'prefix': False,
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'build_date': platform.python_build()[1],
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'executable': False,
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'compiler': platform.python_compiler(),
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'api_version': False,
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'implementation': platform.python_implementation(),
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'system': platform.system(),
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}
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if platform.dist()[0] != '' and platform.dist()[1] != '':
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system['os_version'] = '%s %s (%s %s)' % ( platform.system(), platform.release(), platform.dist()[0].capitalize(), platform.dist()[1] )
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else:
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system['os_version'] = '%s %s' % ( platform.system(), platform.release() )
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if hasattr( os, 'path' ): system['os_path'] = os.environ['PATH']
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if hasattr( sys, 'version' ): system['version'] = platform.python_version()
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if hasattr( sys, 'subversion' ): system['subversion'] = ', '.join( sys.subversion )
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if hasattr( sys, 'prefix' ): system['prefix'] = sys.prefix
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if hasattr( sys, 'path' ): system['path'] = sys.path
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if hasattr( sys, 'executable' ): system['executable'] = sys.executable
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if hasattr( sys, 'api_version' ): system['api'] = sys.api_version
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self.system = system
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class TimeCollector(BaseCollector):
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def on_request(self, request_handler, run):
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run.add_metric('time', {
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'start': datetime.now(),
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'delta': False,
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'delta_format': False,
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'end': False
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})
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def on_terminate(self, request_handler, run):
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now = datetime.now()
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start = run.get_metric('time')['start']
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delta = (now - start).total_seconds() * 1000
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run.get_metric('time').update({
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'end': now,
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'delta': delta,
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'delta_format': "%.2f ms" % delta
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})
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def get_template(self, run):
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return 'element.plugins.profiler:collector/time.html'
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class MemoryCollector(BaseCollector):
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def on_request(self, request_handler, run):
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run.add_metric('memory', {
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'start': resource.getrusage(resource.RUSAGE_SELF).ru_maxrss,
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'delta': False,
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'delta_format': False,
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'end': False
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})
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def on_terminate(self, request_handler, run):
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pass
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now = resource.getrusage(resource.RUSAGE_SELF).ru_maxrss
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start = run.get_metric('memory')['start']
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delta = now - start
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run.get_metric('memory').update({
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'end': now,
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'delta': delta,
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'delta_format': "%f" % delta
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})
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def get_template(self, run):
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return 'element.plugins.profiler:collector/memory.html'
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class ConfigCollector(BaseCollector):
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def __init__(self, container):
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self.container = container
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def on_request(self, request_handler, run):
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info = PyInfo()
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run.add_metric('config', {
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'element_version': element.__version__,
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'app_name': 'element',
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'application_name': 'n/a',
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'application_version': 'n/a',
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'debug': self.container.parameters.get('ioc.debug'),
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'env': self.container.parameters.get('ioc.env'),
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'python': info.get_system(),
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'extensions': self.get_extensions()
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})
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def get_extensions(self):
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extensions = {}
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for extension in self.container.parameters.get('ioc.extensions'):
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extensions[extension] = inspect.getfile(importlib.import_module(extension))
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return extensions
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def get_template(self, run):
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return 'element.plugins.profiler:collector/config.html'

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