class Sidekiq::Metrics::Query::JobResult

def series_avg(metric = "ms")
  series[metric].each_with_object(Hash.new(0)) do |(bucket, value), result|
    completed = series.dig("p", bucket) - series.dig("f", bucket)
    result[bucket] = (completed == 0) ? 0 : value.to_f / completed
  end
end