Yes, it is possible to get current running processor load for EcoStruxure Machine Expert range controllers.
Follow below steps with EcoStruxure Machine Expert project.

1.
Insert library "CmpSchedule"

2.
Insert in a new or existing POU:
VAR
pResult1 : RTS_IEC_RESULT;
processorLoad : UDINT;
END_VAR

3.
Add coding in ST as below.
processorLoad := SchedGetProcessorLoad(pResult := ADR(pResult1));

"processorLoad" variable returns processor load ( CPU load) in % for all running IEC tasks.

Released for: Schneider Electric India