# File lib/fog/ecloud/models/compute/compute_pool.rb, line 25
        def cpu_usage
#          time ? query = "/details?time=#{Time.parse(time).utc.strftime('%Y-%m-%dT%H:%M:%SZ')}" : query = ""
          @cpu_usage ||= Fog::Compute::Ecloud::CpuUsageDetailSummary.new(:service => service, :href => "/cloudapi/ecloud/computePools/#{id}/usage/cpu")
        end