Alex Stuart has a way to find blocked processes:
So we need monitoring and alerting on it. Enterprise monitoring tools can do this, and do it well – but if you don’t have one, or don’t have enough licenses for your entire estate, you’ll need to roll your own. (OK, or copy someone else’s if you don’t need the learnin’). This post will demonstrate a basic method for detecting blocking and alerting based on a given threshold.
Read on for the process.