"niced" processes on leopard

[Yen, Wenchieh]

ok Toby,

By creating 2 'yes > /dev/null' and one 'nice -n 19 yes > /dev/null' on
my core2duo, I would expect to see 2 cpus get near 100% load while one
get supressed due to a lower priority.

What I got was quite equally distributed cpu cycles to these 3 (though
the niced one seemed to have a slightly lower load). I checked it with
'top' or 'Activity Monitor'.

In the mean time I checked the niced one with 'ps'. The STAT column
showed 'RN+' -- implying it was niced.

cheers,




Toby Peterson wrote:
> On Thu, Sep 10, 2009 at 09:30, Yen, Wenchieh <yenwenchieh at gmx.de> wrote:
>> while some have already embraced snow leopard, I just moved on to leopard.
>>
>> to my surprise that the old school nice/renice don't seem to work any
>> more, though ps -l still says that the processes are niced. the
>> 'buildnicevalue' in macports.conf has thus no effect at all.
>>
>> Perhaps someone can give me a lesson or two about the most "advanced" OS?
> 
> I don't understand what you're asking. Could you explain what behavior
> you're seeing and how this differs from your expectations?
> 
> - Toby
>