Add pyinstrument.

ecommerce/settings/base.py

@@ -231,6 +231,7 @@ MIDDLEWARE_CLASSES = (
     'threadlocals.middleware.ThreadLocalMiddleware',
     'ecommerce.theming.middleware.CurrentSiteThemeMiddleware',
     'ecommerce.theming.middleware.ThemePreviewMiddleware',
+    'pyinstrument.middleware.ProfilerMiddleware',
 )
 # END MIDDLEWARE CONFIGURATION
 

requirements/production.txt

@@ -7,6 +7,7 @@ django-ses==0.8.2
 # For more, see https://github.com/edx/ecommerce/pull/920.
 gevent==1.0.2
 
+pyinstrument==2.0.1
 gunicorn==19.7.1
 MySQL-python==1.2.5
 newrelic==2.98.0.81