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Add middleware to report response time (and number of queries)

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Oliver Walters 2019-05-20 21:46:50 +10:00
parent 70be052c74
commit dd5de91c23
2 changed files with 39 additions and 4 deletions
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13
InvenTree/InvenTree/middleware.py
View File

@ -2,6 +2,7 @@ from django.shortcuts import HttpResponseRedirect
from django.urls import reverse_lazy from django.urls import reverse_lazy
from django.db import connection from django.db import connection
import logging import logging
import time
logger = logging.getLogger(__name__) logger = logging.getLogger(__name__)
@ -45,7 +46,9 @@ class QueryCountMiddleware(object):
def __call__(self, request): def __call__(self, request):
t_start = time.time()
response = self.get_response(request) response = self.get_response(request)
t_stop = time.time()
if response.status_code == 200: if response.status_code == 200:
total_time = 0 total_time = 0
@ -54,14 +57,20 @@ class QueryCountMiddleware(object):
for query in connection.queries: for query in connection.queries:
query_time = query.get('time') query_time = query.get('time')
if query_time is None: if query_time is None:
# django-debug-toolbar monkeypatches the connection # django-debug-toolbar monkeypatches the connection
# cursor wrapper and adds extra information in each # cursor wrapper and adds extra information in each
# item in connection.queries. The query time is stored # item in connection.queries. The query time is stored
# under the key "duration" rather than "time" and is # under the key "duration" rather than "time" and is
# in milliseconds, not seconds. # in milliseconds, not seconds.
query_time = query.get('duration', 0) / 1000 query_time = float(query.get('duration', 0))
total_time += float(query_time) total_time += float(query_time)
logger.debug('%s queries run, total %s seconds' % (len(connection.queries), total_time)) logger.debug('{n} queries run, {a:.3f}s / {b:.3f}s'.format(
n=len(connection.queries),
a=total_time,
b=(t_stop - t_start)))
return response return response

28
InvenTree/InvenTree/settings.py
View File

@ -74,6 +74,31 @@ INSTALLED_APPS = [
'qr_code', # Generate QR codes 'qr_code', # Generate QR codes
] ]
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'handlers': {
'console': {
'level': 'DEBUG',
'class': 'logging.StreamHandler',
},
'file': {
'level': 'DEBUG',
'class': 'logging.FileHandler',
'filename': './debug.log',
},
},
'loggers': {
'ddjango.db.backends': {
'level': 'DEBUG',
'handlers': ['file'],
'propagate': True
},
},
}
MIDDLEWARE = [ MIDDLEWARE = [
'django.middleware.security.SecurityMiddleware', 'django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware',
@ -83,7 +108,8 @@ MIDDLEWARE = [
'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware', 'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware', 'django.middleware.clickjacking.XFrameOptionsMiddleware',
'InvenTree.middleware.AuthRequiredMiddleware' 'InvenTree.middleware.AuthRequiredMiddleware',
'InvenTree.middleware.QueryCountMiddleware',
] ]
if DEBUG: if DEBUG: