Cortex Status plugin displays various cycle counts, which are memory mapped in the Data Watchpoint and Trace Unit (DWT). Cycle counters are only available on Cortex-M3/4/7 devices.
Cortex Status plugin
Displays the count of cycles while the CPU was running and calculates the execution time based on known CPU clock.
Displays the amount of cycles beyond the first instruction cycle.
Displays the count of cycles spent in exception processing.
Displays the count of cycles spent sleeping.
Displays the amount of cycles spent processing Load / Store operations.
Displays the total count of folded (0-cycle) instructions.