Hi --
--- In "Anouk Ahamitet" <> wrote:
>
> I'm curious what, other than cron, can be used to schedule activity on
> the TS-7800. cron has things scheduled at 17, 25 and 47 past the
> hour, but SOMETHING is running a 9 and 39 past each hour as well.
>
> How do I know? Our target app for the TS-7800 is reading an A/D
> pretty much continuously and it gets read errors like clockwork at
> hh:09:01 and hh:39:01 (it also gets a few at 06:25:xx, but I know that
You can try some of the running recording system utils (sar, pidstat,
etc) to help you find the offending process. Even run them from cron
near your problem times. Debian probably has them packaged already
(look for sysstat), or if not:
http://pagesperso-orange.fr/sebastien.godard/
> is cron.daily and I'm trashing as much of that junk as I can).
>
> I'm not positive that the 09/39 is a constant across boots or power
> cycles yet, but something happens every 30 minutes, outside of cron's
> scheduling and I really need to find out what it is so that I can
stop it.
>
> Any ideas, suggestions?
>
> PS: I've removed unnecessary junk like exim4 and apache2 from the
> rc3.d startup and would love to (a) also remove them from shutdown,
> but I didn't find and KnnService links like I do on "normal" rcX.d
> folders and (b) also remove any/all periodic maintenance for those and
> any other apps that aren't ours or SSH (which is all we'd like
> running, if I can manage to strip out the rest).
Personally I would be worried about my app. Even if you fix your
system by removing interfering pids/processes, you still have chances
for future corruption. Better to fix your A/D code so it is
insensitive to system load.
Of course, stopping un-needed process like you are doing is always
good in any case.
What kernel version are you using?
regards, ....... Charlie
>
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