[meta-freescale] iMX6 - CPU usage not able to achieve 100%
jhautbois at gmail.com
Tue Feb 3 09:04:12 PST 2015
2015-01-30 14:58 GMT+01:00 ansaris <ansaris at iwavesystems.com>:
> We are using imx6Q custom platform based on sabresd platform for our
> development with Linux 3.10.17_1.0.0-GA BSP.
> We have checked the CPU usage using "top" command.
> A simple test program running on a PC shows 100% whereas the same program
> running on this module (compiled with different compiler, of course) shows
> again 25%. Now, 25% is not hard limit, I have, albeit rarely, seen it to get
> to 33%, as well.
> Why a single core does not usually go more than 25%?
> Please suggest us. Thanks in advance.
> Thank You,
Maybe can it help (you noticed of course that you have a quad core,
and 25% is 100%/4) :
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