I have a habit of skimming the OpenJDK commit log every few weeks. Many commits are too complex for me to grasp in the limited time I have reserved for this ... special hobby. But occasionally something catches my eye. Last week, this commit stopped me mid-scroll: 858d2e434dd 8372584: [Linux]: Replace reading proc to get thread CPUtime with clock_gettime The diffstat was interesting: +96 insertions, -54 deletions. The changeset adds a 55-line JMH benchmark, which means the production code itself...