Binding processes to CPUs is not at normal,
even in high load situations.
System scheduler ticks move even busy procs
off CPUs, to go back through the run skedder.
Yes, of course, the newer/better run scheduler
are aware of register and CPU cache flush issues,
but there is no guarantee a processor under the
default scheduler will own a CPU. Not at all.
Of course, I could be misunderstanding what you're
trying to test. If you're trying to run a single
CPU benchmark, then YES, you'd want to have ONE and
ONLY ONE processor to run it...no context switches,
no processor swaps...just b*lls to the wall performance.
But that's not real life, and should not be proferred
as a simulation of it.
hth
Hannibal
-----Original Message-----
Sent: Tuesday, June 12, 2001 1:41 PM
To: Multiple recipients of list ORACLE-L
Does anyone know how to pin a Solaris CPU at a high utilization? I am doing
some testing and want to evaluate a system under a high CPU load. Thanks.
Erik
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