// Each image receives a raw score of its size, scaled by scaledImageScore. The raw scores are later used to calculate
// the final score.
func sumImageScores(nodeInfo *framework.NodeInfo, pod *v1.Pod, totalNumNodes int) int64 {
	var sum int64
	for _, container := range pod.Spec.InitContainers {
		if state, ok := nodeInfo.ImageStates[normalizedImageName(container.Image)]; ok {
			sum += scaledImageScore(state, totalNumNodes)
		}
	}