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How to cure high Kernel _ Task CPU usage?
About 3-4 minutes later the dreaded kernel_task high CPU usage starts. State B cures the kernel_task problem by moving power from the left ports to the right. The left side temperature drops and the kernel_task goes away within about 15 seconds.
What does the Kernel Task virtual process do?
The kernel_task virtual process does, amongst other things, throttle CPU usage in order to keep the CPU below its maximum operating temperature.
Why does my CPU use so much CPU?
High kernel_task CPU Usage is due to high chassis temperature caused by charging. In particular Left Thunderbolt port usage. Move charging from the left to the right side. If you have a second charger then plug it in on the right side. Avoid plugging everything on the right side (see last paragraph below). Unplug something from the left side.
Why is my CPU usage so high on my Mac?
High kernel_task CPU Usage is due to high chassis temperature caused by charging. In particular Left Thunderbolt port usage. Move charging from the left to the right side.
How much memory does a Kernel Task use?
After checking on memory, it seems kernel task ate 7GB and 22.36GB swap memory was used of total 23GB (which obviously was the case). However I’ve still 20GB of space free on my SDD. Activity Monitor didn’t help much whilst my OS X was heading to the destruction.
Why does my MacBook have no Kernel Task?
Plugging everything into the two right ports instead of the left raised the Right temperatures to over 100 degrees, without the fans coming on. No kernel_task either, but the machine becomes unusable from something throttling.
What causes high CPU usage on MacBook Pro?
TLDR; If your MacBook Pro runs hot or shows a high % CPU for the kernel task, try charging on the right and not on the left. High kernel_task CPU Usage is due to high chassis temperature caused by charging. In particular Left Thunderbolt port usage.