SCHED_4BSD: More than 1 process running on UP machine?
Julian Elischer
julian at elischer.org
Sun Jul 1 16:57:20 UTC 2007
Momchil Ivanov wrote:
> On Saturday 30 June 2007 10:50:38 Ulrich Spoerlein wrote:
>> Hi all,
>>
>> I upgraded to -CURRENT and am running with SCHED_BSD on an UP machine
>> (where ULE has no advantage over BSD, right?)
the proceses in RUN state are runnable and not in a sleep queue or waiting
on a mutex..
>
> PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND
> 1038 space 3 20 0 74196K 64224K kserel 0:07 0.00% opera
> 1089 space 3 20 0 57064K 48108K kserel 0:16 0.00% kmail
> 950 space 1 96 0 54568K 36388K select 0:19 2.93% Xorg
> 1013 space 1 96 0 35348K 29004K RUN 0:01 0.00% kdeinit
> 1087 space 1 96 0 34600K 28608K select 0:00 0.00% korgac
> 1083 space 1 96 0 33184K 24020K select 0:00 0.00% kdeinit
> 1025 space 1 96 0 32416K 26876K RUN 0:01 0.00% kdeinit
> 1069 space 1 96 0 32072K 26584K select 0:00 0.00% kdeinit
> 1151 space 1 96 0 31612K 26120K select 0:00 0.00% kdeinit
> 1045 space 1 96 0 31612K 26116K select 0:00 0.00% kdeinit
> 1035 space 1 96 0 31164K 25960K select 0:00 0.00% kgpg
> 1023 space 1 96 0 31028K 26016K RUN 0:01 0.00% kdeinit
> 1051 space 1 96 0 30564K 23000K select 0:01 0.00% pidgin
> 1021 space 1 96 0 28724K 22896K RUN 0:01 0.00% kdeinit
>
> on my laptop with FreeBSD 6.2-STABLE #10: Thu Jun 14 13:01:26 CEST 2007. After
> the next refresh of top, these in state "RUN" are in state "select", and
> only "top" is shown in state "RUN". However if I change the order of sorting,
> say by size or by cpu usage, in the first moment I see a couple of processes
> in "RUN" state as above and after the next refresh top shows them in "select"
> state.
>
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