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require 'active_support/core_ext/benchmark'
module ActionController #:nodoc:
# The benchmarking module times the performance of actions and reports to the logger. If the Active Record
# package has been included, a separate timing section for database calls will be added as well.
module Benchmarking #:nodoc:
extend ActiveSupport::Concern
protected
def render(*args, &block)
if logger
if Object.const_defined?("ActiveRecord") && ActiveRecord::Base.connected?
db_runtime = ActiveRecord::Base.connection.reset_runtime
end
render_output = nil
@view_runtime = Benchmark.ms { render_output = super }
if Object.const_defined?("ActiveRecord") && ActiveRecord::Base.connected?
@db_rt_before_render = db_runtime
@db_rt_after_render = ActiveRecord::Base.connection.reset_runtime
@view_runtime -= @db_rt_after_render
end
render_output
else
super
end
end
private
def process_action(*args)
if logger
ms = [Benchmark.ms { super }, 0.01].max
logging_view = defined?(@view_runtime)
logging_active_record = Object.const_defined?("ActiveRecord") && ActiveRecord::Base.connected?
log_message = 'Completed in %.0fms' % ms
if logging_view || logging_active_record
log_message << " ("
log_message << view_runtime if logging_view
if logging_active_record
log_message << ", " if logging_view
log_message << active_record_runtime + ")"
else
")"
end
end
log_message << " | #{response.status}"
log_message << " [#{complete_request_uri rescue "unknown"}]"
logger.info(log_message)
response.headers["X-Runtime"] = "%.0f" % ms
else
super
end
end
def view_runtime
"View: %.0f" % @view_runtime
end
def active_record_runtime
db_runtime = ActiveRecord::Base.connection.reset_runtime
db_runtime += @db_rt_before_render if @db_rt_before_render
db_runtime += @db_rt_after_render if @db_rt_after_render
"DB: %.0f" % db_runtime
end
end
end
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