Re: [opensuse] systemload / cpu's
- From: "Carlos E. R." <robin.listas@xxxxxxxxxxxxxx>
- Date: Sat, 20 Mar 2010 20:26:16 +0100
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On 2010-03-20 17:54, Hans Witvliet wrote:
You forgot to post to the list.
On Sat, 2010-03-20 at 17:25 +0100, Carlos E. R. wrote:
Aren't the processes supposed to be spread even on the different core's?
Not till developers learn how to do that, one of these years >:-)
If "top" and snmp-tools can get load-everage info
from /proc/sys/somewhere, why doesn't the task-scedualar do it?
afaicr minix did, and pondering a bit deeper, the schedular in 2.0 also.
I still can remember when running linux on my sparc20 station, i could
see the processes hopping from one cpu to another.
If there are several processes, then yes, they are more or less divided amongst the cpus. If it is
one, single thread, process that is very busy, it can remain on the same core full time, full load.
Perhaps if it stops for a second while it asks the cpu for something it can hop to another.
I have often seen one core at 100% and the rest at 2%, for a long time, busy with one program (and
the core temperature shows it). Some programs change core now and then, some apparently don't.
Cheers / Saludos,
Carlos E. R.
(from 11.2 x86_64 "Emerald" GM (Elessar))
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