[En-Nut-Discussion] Nut/OS measuring

[janis vingris]

HI, my name is Janis and I working at my bachelor's degree work. It is about
RTOS in real time systems. One point of my work is measuring RTOS, for this
task I chose Nut/OS. In Nut/OS wiki FAQ page I was read that your
calculation for context switch overhead is 115 cycles and interrupt overhead
is 64 or 45 cycles. My question is, how you made these calculations and what
mean cycles(I think it isn't timer ticks)?
Thank you.