Date: Mon, 25 Jan 1999 01:05:29 +0000 (GMT) From: Doug Rabson <dfr@nlsystems.com> To: Archie Cobbs <archie@whistle.com> Cc: Julian Elischer <julian@whistle.com>, wollman@khavrinen.lcs.mit.edu, current@FreeBSD.ORG Subject: Re: kvm question Message-ID: <Pine.BSF.4.01.9901250102560.59627-100000@herring.nlsystems.com> In-Reply-To: <199901242130.NAA21377@bubba.whistle.com>
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On Sun, 24 Jan 1999, Archie Cobbs wrote: > Julian Elischer writes: > > As soon as someone modifies sysctl to work with KLD modules.... > > that would be a reasonable suggestion > > > > On Sun, 24 Jan 1999, Garrett Wollman wrote: > > > > I ran into an interesting problem in the process of modifying > > > > "netstat" to understand the PF_NETGRAPH protocol family. "netstat" > > > > uses kvm_read(), etc. to read kernel symbols. However, this doesn't > > > > > > Don't do that. Use sysctl, that's what it's there for. > > > > > > -GAWollman > > Julian is of course correct... but Garrett you missed my point... > > Forget netstat for a second. The question is simply, "I'm offering > to fix libkvm to understand KLD modules; is anybody interested?" > > Whether libkvm should even exist in a perfect world (it shouldn't) > is an entirely different question. For now, we're stuck with it > until somebody changes *everything* to use sysctl instead. I've been hacking all evening on sysctl. I have a scheme using SLISTs to store the contents of a SYSCTL_NODE and SYSINIT to register the oids. It should work well when I finish debugging it but there is a cost of 2*sizeof(void*) per sysctl entry. -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 442 9037 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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