Automatic merge from submit-queue (batch tested with PRs 63232, 64257, 64183, 64266, 64134). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Measure scheduler throughput in density test This is a step towards exposing scheduler-related metrics on [perf-dash](http://perf-dash.k8s.io/). This particular PR adds scheduler throughput computation and makes the results available in our test artifacts. So if you do some experiments, you'll have some historical baseline data to compare against. xref https://github.com/kubernetes/kubernetes/issues/63493 fyi - @wojtek-t @davidopp @bsalamat @misterikkit cc @kubernetes/sig-scheduling-misc @kubernetes/sig-scalability-misc ```release-note NONE ```