Date: Thu, 1 Feb 2007 19:17:18 +0100 From: Fabian Keil <freebsd-listen@fabiankeil.de> To: freebsd-questions@freebsd.org Subject: Re: What Happens When /proc is not Mounted in FreeBSD5.4? Message-ID: <20070201191718.721cfe32@localhost> In-Reply-To: <200702011717.l11HHohf046488@dc.cis.okstate.edu> References: <200702011717.l11HHohf046488@dc.cis.okstate.edu>
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--Sig_7lwzv/dAEe38se0AGoRye.e Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Martin McCormick <martin@dc.cis.okstate.edu> wrote: > I made a startling discovery when using strace to > trouble-shoot a different problem on a freeBSD5.4 system that has > been running since last October. Both it and another new 5.4 > system had a /proc mount point but no process files. If I remember correctly procfs is off by default for security reasons. > Would an unmounted /proc make the system run slower since > proc files allow for examination of the operation of the running > processes? procfs is for user land applications, the kernel obviously has other means to examine running processes. I doubt that mounting procfs (without using it) has any measurable effect on the system's performance, but if it does, I would assume that it decreases performance rather than increasing it. Fabian --Sig_7lwzv/dAEe38se0AGoRye.e Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFFwi68BYqIVf93VJ0RAifHAJ9diLuFw8tw0EZl5M4AHwuRYMb4xgCeNF5f 5E4RqcjETL3iNMWjd8xLncQ= =C8fa -----END PGP SIGNATURE----- --Sig_7lwzv/dAEe38se0AGoRye.e--
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