Correct %CPU usage

From: Vahid Moghaddasi (sunman@ureach.com)
Date: Sun Feb 01 2004 - 22:30:46 EST


Hi,
Is this correct that to get the real CPU usage of a process, we
will have to multiply the %CPU utilization shown by top or
prstat by the number of CPU's in the system? For example, if
there are 10 CPU's in a system and top shows lets say gzip is
using %5, that means 5x10=%50 of one CPU.
I understand top not telling the correct usage on Solaris (it OK
on hp-ux) but why prstat is lying? Didn't Sun write that?
Thanks,

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