rails/actionpack/lib/action_controller/benchmarking.rb
David Heinemeier Hansson db045dbbf6 Initial
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
2004-11-24 01:04:44 +00:00

50 lines
1.9 KiB
Ruby

require '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:
def self.append_features(base)
super
base.class_eval {
alias_method :perform_action_without_benchmark, :perform_action
alias_method :perform_action, :perform_action_with_benchmark
alias_method :render_without_benchmark, :render
alias_method :render, :render_with_benchmark
}
end
def render_with_benchmark(template_name = default_template_name, status = "200 OK")
if logger.nil?
render_without_benchmark(template_name, status)
else
@rendering_runtime = Benchmark::measure{ render_without_benchmark(template_name, status) }.real
end
end
def perform_action_with_benchmark
if logger.nil?
perform_action_without_benchmark
else
runtime = [Benchmark::measure{ perform_action_without_benchmark }.real, 0.0001].max
log_message = "Completed in #{sprintf("%4f", runtime)} (#{(1 / runtime).floor} reqs/sec)"
log_message << rendering_runtime(runtime) if @rendering_runtime
log_message << active_record_runtime(runtime) if Object.const_defined?("ActiveRecord") && ActiveRecord::Base.connected?
logger.info(log_message)
end
end
private
def rendering_runtime(runtime)
" | Rendering: #{sprintf("%f", @rendering_runtime)} (#{sprintf("%d", (@rendering_runtime / runtime) * 100)}%)"
end
def active_record_runtime(runtime)
db_runtime = ActiveRecord::Base.connection.reset_runtime
db_percentage = (db_runtime / runtime) * 100
" | DB: #{sprintf("%f", db_runtime)} (#{sprintf("%d", db_percentage)}%)"
end
end
end