In the last episode (Mar 29), Russell Francis said:
> I was wondering if there is a way to determine the context switching
> rate?
>
> In /usr/include/sys/vmmeter.h the structure
>
> struct vmmeter {
> u_int v_swtch; /* context switches */
> ...
> }
>
> looks like what I want but I can't find a function which returns this
> data to a user land application. Is this possible? If so how?
Take a look at /usr/src/usr.sbin/vmstat.c. You'll want to use sysctl()
to pull the vm.vmmeter data block, which is of type "struct vmmeter".
--
Dan Nelson
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