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[mod] Server-Timing header: add render field

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Add a "render" field to the Server-Timing header
This field is the time spent in the searx.webapp.render function (Jinja2 rendering)

See https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Server-Timing
This commit is contained in:
Alexandre Flament 2021-05-06 09:39:52 +02:00
parent 39eda78088
commit d12033e166
1 changed files with 7 additions and 2 deletions
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9
searx/webapp.py
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@ -480,8 +480,11 @@ def render(template_name, override_theme=None, **kwargs):
for css in plugin.css_dependencies: for css in plugin.css_dependencies:
kwargs['styles'].add(css) kwargs['styles'].add(css)
return render_template( start_time = default_timer()
result = render_template(
'{}/{}'.format(kwargs['theme'], template_name), **kwargs) '{}/{}'.format(kwargs['theme'], template_name), **kwargs)
request.render_time += default_timer() - start_time
return result
def _get_ordered_categories(): def _get_ordered_categories():
@ -498,6 +501,7 @@ def _get_ordered_categories():
@app.before_request @app.before_request
def pre_request(): def pre_request():
request.start_time = default_timer() request.start_time = default_timer()
request.render_time = 0
request.timings = [] request.timings = []
request.errors = [] request.errors = []
@ -556,7 +560,8 @@ def add_default_headers(response):
@app.after_request @app.after_request
def post_request(response): def post_request(response):
total_time = default_timer() - request.start_time total_time = default_timer() - request.start_time
timings_all = ['total;dur=' + str(round(total_time * 1000, 3))] timings_all = ['total;dur=' + str(round(total_time * 1000, 3)),
'render;dur=' + str(round(request.render_time * 1000, 3))]
if len(request.timings) > 0: if len(request.timings) > 0:
timings = sorted(request.timings, key=lambda v: v['total']) timings = sorted(request.timings, key=lambda v: v['total'])
timings_total = ['total_' + str(i) + '_' + v['engine'] + timings_total = ['total_' + str(i) + '_' + v['engine'] +