On Mon, 4 Sept 2023 at 21:52, Roberto A. Foglietta
<[email protected]> wrote:
>
> On Mon, 4 Sept 2023 at 18:53, Bastian Bittorf <[email protected]> wrote:
> >
> > can you please give us a hint,
> > what makes your system special?
> > maybe several 1000 processes?
>
> Hi Bastian,
>
> on that system there are 8 Arm 64bit cores 4x1.8GHz + 4x2.0Ghz put
> under conservative frequency governors usually sleeping but sometimes
> running at their lowest frequency 300MHz and I have no clue what's
> going to make my system "special". Someone says that it is the man
> behind the screen but they are rare while almost others ask for
> statistics. Do you wish to receive statistics? ;-)
s/behind/in front of/ but usually behind because I use the network
rather than a physical keyboard to be connected to the device.
Moreover, the sleep 1 sometimes sleeps for 2 seconds but can also
sleep 7 seconds (I saw a 16s but I do not believe it). While sleep 60
is 1:1000 precise and pause() { sleep 500000*${1:-1}; } always gives
reasonable precise delays. Is the ratio 1:7 because 2GHz / 300Mhz?
I did not investigate this problem yet but just let the system collect
statistics about it. Therefore, sleep 1 sleeps for 2 seconds, is a
common fact not a corner case. The sleep and usleep are both applets
of busybox, the last stable branch compiled static against glibc.
Best regards, R-
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