The screenshot below shows you the backend processing times for a WordPress site with a big performance issue in New Relic’s APM tool.
![Using the New Relic APM][new-relic-apm] [new-relic-apm]: /wp-content/uploads/2015/06/Screenshot-2015-06-03-11.02.09.png
In this case there was a query that returned 170 000 rows of data PHP had to process on about 80% of the requests. Took me 5 minutes to find the problem and 55 minutes to get the fix pushed to production.
Expect a bigger blog post about New Relic very soon.