In freebsd-questions Digest, Vol 300, Issue 11, Message: 8
On Fri, 5 Mar 2010 16:58:20 -0600 Dan Nelson wrote:
> In the last episode (Mar 05), Peter Steele said:
>
> > What's the proper way to calculate kernel/user/idle time? I know the raw
> > values come from sysctl kern.cp_time, but these
>They shouldn't need to be massaged. Just sample the values at two intervals,
>and your percentages can be calculated by dividing
>each delta by the sum of the deltas (since the sum equals the total CPU usage
>over the interval, by definition). If you want to
>calculate per-cpu usage, use the k
In the last episode (Mar 05), Peter Steele said:
> What's the proper way to calculate kernel/user/idle time? I know the raw
> values come from sysctl kern.cp_time, but these values need to be
> "massaged" based on the number of CPUs and so on. Can someone explain
> briefly what the algorithm is c
