hi, followup question: Is there an impact to performance when using debug mode?
On Tue, Feb 12, 2019 at 11:08 PM Yusuke Tsutsumi <yus...@tsutsumi.io> wrote: > Great, thank you! I'll try it out, looks promising. > > On Fri, Feb 8, 2019 at 5:37 PM Ben Darnell <b...@bendarnell.com> wrote: > >> Asyncio's debug mode does this (and a few more things). Call >> `asyncio.get_event_loop().set_debug()` to enable it. >> >> https://docs.python.org/3/library/asyncio-dev.html#debug-mode >> >> -Ben >> >> On Fri, Feb 8, 2019 at 5:10 PM Yusuke Tsutsumi <yus...@tsutsumi.io> >> wrote: >> >>> Hi, >>> >>> In tornado, there's a really nice feature called >>> set_blocking_signal_threshold, which sets a signal that fires if a >>> coroutine has been running for too long without returning control back to >>> the main loop: >>> >>> >>> https://www.tornadoweb.org/en/stable/ioloop.html?highlight=signal#tornado.ioloop.IOLoop.set_blocking_signal_threshold >>> >>> In tornado this will then log the traceback of the coroutine in >>> question. This has been a very valuable tool when a developer accidentally >>> introduces code that blocks the event loop for way too long of a time. >>> >>> Is there an equivalent in asyncio? I have a sketch in my head of how to >>> implement that, but wanted to see if it existed somewhere first. >>> >>> Thanks! >>> -Yusuke >>> _______________________________________________ >>> Async-sig mailing list >>> Async-sig@python.org >>> https://mail.python.org/mailman/listinfo/async-sig >>> Code of Conduct: https://www.python.org/psf/codeofconduct/ >>> >>
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