IoThreadIdleMicrosAvg

:::info[Note] This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information. :::

Average of reported idle time in the client's IO thread

public function ioThreadIdleMicrosAvg(): float;

This returns an exponentially-smoothed average.

Returns

• float - A float representing the average busy time of this MySQL client's IO Thread.