Time your Sinatra methods

app.rb

helpers do
    def measure (&block)
        start_time = Time.now
        val = yield
        end_time = Time.now
        logger.info "Time elapsed for #{request.path_info} #{(end_time - start_time)*1000} milliseconds"
        val
    end
end


get '/users' do
    measure do 
        #your stuff here
    end
end