On 30/06/17 20:08, Kirspel, Kevin wrote:

Case #2: Enable the RTEMS callout timer but do not call "callout_process()" 
(the timer service routine just resets the timer and quits) .
IDLE Task CPUUSE: 93.144%
TIME Task CPUUSE: 6.282%

In this case you have some low-level problem on your target. Is the cache enabled and properly set up in the MMU? How many ticks per second do you use?

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Sebastian Huber, embedded brains GmbH

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