Measuring coroutine blocking time

[achimnol (Joongi Kim)]

Here are some discussions about this:

Add asyncio monitoring hooks

Similar previous discussion As an APM vendor (Datadog), I’d love to be able to provide deeper insights/metrics about the asyncio event loop for our customers. Some of the metrics I have been thinking about so far are: Over the lifetime of the process total number of tasks created/finished total number of context switches min/avg/p95/p99/max/etc blocking time per-task run Per-task total number of context switches total blocking vs idle time I’d also like to be able to associate the per…