Django Profiling

django-profiling.md

Django Profiling

Dependencies

requirements.txt

django-cprofile-middleware==1.0.5
django-silk==5.1.0
snakeviz==2.2.0
pyprof2calltree==1.4.5

Command line tool

sudo apt install kcachegrind

Setup & Usage

cProfile

settings.py

MIDDLEWARE = [
  'django_cprofile_middleware.middleware.ProfilerMiddleware',
  ...
]

DJANGO_CPROFILE_MIDDLEWARE_REQUIRE_STAFF = False

Usage (snakeviz)

1. download statistics:

   GET {{ _.url }}?prof&count=9999999&sort=cumtime&download

2. analyze the profiling results:

   snakeviz /tmp/cprofile.bin

Usage (kcachegrind)

1. download statistics:

   GET {{ _.url }}?prof&count=9999999&sort=cumtime&download

2. analyze the profiling results:

   pyprof2calltree -i /tmp/cprofile.bin -o /tmp/cprofile.calltree`
   kcachegrind /tmp/cprofile.calltree
   

django-silk

1. settings.py

INSTALLED_APPS = [
    'silk',
    ...
]

MIDDLEWARE = [    
  'silk.middleware.SilkyMiddleware',
  ...
]

SILKY_PYTHON_PROFILER = True

2. migrations

python manage.py makemigrations
python manage.py migrate

3. urls.py

from django.urls import path, include

urlpatterns += [
  path("silk/", include("silk.urls", namespace="silk"))
]

Usage

http://localhost:8000/silk/

add profiling:

from silk.profiling.profiler import silk_profile

with snake_profile('some-descriptive-name'):
  my_method()