LPC1769 Are there any novel techniques that I can use to measure CPU usage on an interrupt driven system?
Depends what you are really looking to measure. For instance, you might want to take a look at the SWO Trace functionality provided with LPCXpresso IDE when used with an LPC-Link2 debug probe:
http://www.nxp.com/lpcxpresso
https://community.nxp.com/message/630730
Regards,
LPCXpresso Support
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