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feat(uvloop): Support event loop utilization queries by cphoward · Pull Request #579 · MagicStack/uvloop · GitHub

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feat(uvloop): Support event loop utilization queries - #579

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feat(uvloop): Support event loop utilization queries#579
cphoward wants to merge 1 commit into
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cphoward:cph/event-loop-utilization

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cphoward commented Oct 16, 2023

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This change seeks to expose libuv's internal uv_metrics_idle_time to permit users to tune their applications. This change is inspired by Nodejs' internalEventLoopUtilization.

The heart of this change is:

def _event_loop_utilization(self):
    """Returns idle and active time in milliseconds and the percentage of
    time the event loop is active
    """

    ...

    return idle, active, utilization

cphoward marked this pull request as draft October 16, 2023 18:00
cphoward force-pushed the cph/event-loop-utilization branch 3 times, most recently from fbbdf59 to 1f77a91 Compare October 16, 2023 20:56
cphoward marked this pull request as ready for review October 16, 2023 20:57
cphoward force-pushed the cph/event-loop-utilization branch from 1f77a91 to e49e540 Compare October 16, 2023 21:01
cphoward force-pushed the cph/event-loop-utilization branch from e49e540 to f29f595 Compare October 16, 2023 21:08

ericbuehl commented Jul 23, 2026

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I could see this being immensely useful in support of #322

@1st1 @fantix what do we think here?

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