High cpu usage in CORE

[Sir_Goodenough ((SG) WhatAreWeFixing.Today)]

You may have a sim-behavibg integration.
See if you can find it with this.

2024.5+: Tracking down instability issues caused by integrations

If you find your system unstable because of a misbehaving integration, there are a few methods for identifying and recovering from the problem. It is recommended to use Home Assistant’s built-in debug mode in conjunction with asyncio debug mode. Using Home Assistant's built-in debug mode in 2024.5.x or later (preferred) Enabling asyncio debug mode at run time (preferred) Enabling asyncio debug mode before startup (fallback plan) Manually enabling safe mode (last resort) Integration blocki…