> Certainly, in general. But in this specific test, only the under-test > system calls occurred in essnetially the whole system, so the overhead > measurements were in a way the bare minimums imposed by the kprobes > vs. utrace callback infrastructure itself.
Yes. That's why I meant to explain how these numbers are true but not necessarily the numbers that matter. > > In real situations [...] the distribution of overheads will be > > quite different. > > Or rather, the basic overhead quanta measured above may be multiplied > along several different axes. Yes.
