In message <5D267A3F22FD854F8F48B3D2B523819339364836FC@IRVEXCH>, "David Christensen" writes:

>I'm looking for a way to dump a large binary debug buffer=20
>in a driver to a file. I've currently implemented this
>with SYSCTL_ADD_OPAQUE() and it works fine but running the
>"sysctl -a" command causes this buffer to be dumped which
>is something of a pain. Is there a better way to do this?

Much better idea: memory map it, that way your driver does
not even discover that userland peeks over its shoulder.

Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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