netstat wierdness?
John Baldwin
jhb at freebsd.org
Mon Mar 26 20:59:01 UTC 2007
On Tuesday 13 March 2007 09:41:20 am Dag-Erling Smørgrav wrote:
> Julian Elischer <julian at elischer.org> writes:
> > answering myself..
> > comes from having options LOCK_PROFILING in my kernel.
> > adding the same to /etc/make.conf and recompiling netstat and libkvm
helped.
> > (not sure if both are needed)
>
> This is very bad. LOCK_PROFILING should have no visible effect on
> userland. That is precisely what xinpcb, xunpcb, xtcpcb etc. are for:
> to isolate userland from kernel structures. They should not contain
> any locks or anything else which would be affected by LOCK_PROFILING
> or other kernel options.
LOCK_PROFILING (and it's predecessor MUTEX_PROFILING) have always resulted in
variant object sizes in the kernel. They shouldn't be visible to userland
though, and fixing xfoo is the right step IMHO.
--
John Baldwin
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