[Vm-dev] Another NuScratch issue

Yoshiki Ohshima Yoshiki.Ohshima at acm.org
Mon Dec 14 17:31:44 UTC 2020


Thanks.

I had a workaround but was not for real. Levente's patch works for me.

On Sun, Dec 13, 2020 at 9:35 PM Levente Uzonyi <leves at caesar.elte.hu> wrote:

>  On Sun, 13 Dec 2020, tim Rowledge wrote:
>
> >
> >
> >
> >> On 2020-11-22, at 8:50 PM, Levente Uzonyi <leves at caesar.elte.hu> wrote:
> >>
> >> On Sat, 21 Nov 2020, Eliot Miranda wrote:
> >>
> >>> Hi Yoshiki,
> >>>
> >>>   Levente replaced the select code with epoll code on Linux a fey weeks
> >>> ago.  Maybe there’s a regression.
> >>
> >> That is indeed the culprit. epoll_wait expects the timeout in
> milliseconds but the value is in microseconds. Unfortunately, fixing that
> brings back the old increased cpu usage.
> >
> > Do we have a decent solution for this issue? It *utterly* ruins
> NuScratch on a Pi and I'm trying to make a new release. Won't someone
> please think of the children?
>
> Just pushed a fix[1]. Let me know if that works.
>
>
> Levente
>
> [1]
> https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/3db3888c2a76bd91ef66d70521d85f80e9d18f1d
> >
> > tim
> > --
> > tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim
> > Strange OpCodes: ETO: Emulate Toaster Oven



-- 
-- Yoshiki
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