Re: problem with "at"
I tried the script below. This does show that "nice" works for me. But
there is something strange with lavrec. It doesn't matter if I use
"nice" or not, it still doesn't record very well. It is probably related
to lavrec So I'll take it to the mjpegtools mailing list.
Thanks for your help.
Dirk
On Tue, May 27, 2003 at 03:12:59PM +0200, Jon Haugsand wrote:
> * dirk@bigengineer.xs4all.nl
>
> > Yes, I also made a bash script. But "nice" didn't seem to help.
>
> Let work be some program, e.g.:
>
> #!/bin/sh
> for (( i=$1; i; i=i-1)); do
> j=$i
> done
>
> And the following be the script nicetest:
>
> #!/bin/sh
> cd /home/nbjhh1/tmp
> /usr/bin/time nice -n 0 ./work 300000 >> nicetest.out 2>&1 &
> /usr/bin/time nice -n 20 ./work 300000 >> nicetest.out 2>&1 &
>
>
> Then doing 'at -f ./nicetest 15:10' gives the following in
> nicetest.out:
>
> 13.83user 0.29system 0:16.80elapsed 84%CPU (0avgtext+0avgdata 0maxresident)k
> 0inputs+0outputs (354major+40minor)pagefaults 0swaps
> 13.87user 0.24system 0:29.60elapsed 47%CPU (0avgtext+0avgdata 0maxresident)k
> 0inputs+0outputs (354major+40minor)pagefaults 0swaps
>
> Nicing and ating is clearly possible. Your problem may be how to set
> really nice values maybe. Try to run it as root with negative nice
> values.
>
> --
> Jon Haugsand, Jon-H.Haugsand@norges-bank.no
> http://www.norges-bank.no
>
>
> --
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