On Fri, 26 Aug 2005, Rusty Lynch wrote: > Just to be sure everyone understands the overhead involved, kprobes only > registers a single notifier. If kprobes is disabled (CONFIG_KPROBES is > off) then the overhead on a page fault is the overhead to execute an empty > notifier chain.
Its the overhead of using registers to pass parameters, performing a function call that does nothing etc. A waste of computing resources. All of that unconditionally in a performance critical execution path that is executed a gazillion times for an optional feature that I frankly find not useful at all and that is disabled by default. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
