Hi Ivan, On Tue, Nov 06, 2018 at 09:52:24AM +0100, Ivan Warren wrote: > > My questions are : > > - How often should I invoke sys_check_timeouts() (every ms, every 10 ms, > every second) - or (better) is there a way to determine (after any state > change obviously) when the next timeout is due ?
Is sys_timeouts_sleeptime what you are looking for ? > - does sys_now/sys_jiffies have to be exactly milleseconds or would powers > of 2 do ? (I have a microsecond counter and a 12 right shift would make a > nice 1024 microseconds - making sys_now() sys_jiffies return the number of > "1.024" ms... would that work ?) No problem, there are not strict timers in a IP stack, after all -2.4% is even better that some internal RC clocks. That's apply to sys_now, concerning sys_jiffies there are no requirements at all since it can be bound to any free running timer. Sylvain
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