With the newest version of Yappi (1.3.0), profiling of gevent applications(individual greenlets) becomes possible. Profiling asyncio was already possible.
For more details please see:
https://github.com/sumerc/yappi/blob/master/doc/greenlet-profiling.md
https://github.com/sumerc/yappi/blob/master/doc/coroutine-profiling.md