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2020-Q-A/Alfonso_S._Siciliano_sysctlinfo_a_new_interface_to_visit_the_FreeBSD_sysctl_MIB_and_to_pass_the_objects

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<bsdimp> [Q]: Why not use nvlist?
[A]: It is a good idea to add nvlist to sysctl, so we could manage the opaque values in an "automatic way" in /sbin/sysctl.
I wasted time to code sysctlview and nsysctl to manage "manually" every opaque value.
<bsdimp> [Q]: Do you have benchmarks on how much faster this is?
[A]: I did some test with time(1): https://gitlab.com/alfix/sysctlinfo/-/blob/master/testing/time/time_testing.sh
<bsdimp> [Q]: Can the old interface be implemented as a library on top of the new interface?
[A]: Yes, it can, it is a good idea; properly the nodes of the old interface should call the function(s) of the new interface.