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echo: rberrypi
to: RAY CARTER
from: ROBH
date: 2019-10-28 17:10:00
subject: Re: cpu usgae 90% on Pi4

On 27/10/2019 22:33, ray carter wrote:
> On Sun, 27 Oct 2019 15:29:39 +0000, RobH wrote:
>
>> On 27/10/2019 15:00, Andy Burns wrote:
>>> RobH wrote:
>>>
>>>> with Xeoma on the Pi, I checked the cpu usage and it is getting on for
>>>> 90%, which I know is high.
>>>> Is there anyway I canĀ  reduce this figure
>>>
>>> Switch to mjpeg, if your cameras support it?
>>>
>> Thanks, that helped plus making a couple of changes to reduce cpu load,
>> which now around 12% to 16% with around 80% idle.
>
> Unless you had it WELL ventilated, there is also the chance that it was
> throttling back due to overheating. That would exacerbate the issue.
>

The Pi is in a an acrylic case with a fan and heatsinks on the cpu and
other parts, and it feels cool to the touch. It was the actual camera
software where I made the changes.

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