Re: PSA: Clock drift and pkgin
Johnny Billquist <[email protected]>
| Newsgroups | gmane.os.netbsd.devel.kernel |
|---|---|
| Message-ID | <[email protected]> |
On 2023-12-23 16:53, Mouse wrote:
>> [...], but we are in fact rounding it up to the double amount of time
>> between alarms/interrupts. Not what I think anyone would have
>> expected.
>
> Quite so. Whatever the internals behind it, the overall effect is "ask
> for 100Hz, get 50Hz", which - at least for me - violates POLA hard.
It is, when the system clock is running at 100Hz.
If the system clock is running at 100Hz, you could expect it should be
possible to have an interval timer that runs at 100Hz.
But it seems at the moment, we basically have that interval timers can
run at most at HZ/2.
Johnny
--
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
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