Date: Wed, 10 Nov 2010 22:17:33 +0100 From: Jilles Tjoelker <jilles@stack.nl> To: hackers@freebsd.org Subject: Re: libkvm: consumers of kvm_getprocs for non-live kernels? Message-ID: <20101110211733.GB17871@stack.nl> In-Reply-To: <20101110204152.GF85693@acme.spoerlein.net> References: <20101110204152.GF85693@acme.spoerlein.net>
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On Wed, Nov 10, 2010 at 09:41:52PM +0100, Ulrich Spörlein wrote: > I have this cleanup of libkvm sitting in my tree and it needs a little > bit of testing, especially the function kvm_proclist, which is only > called from kvm_deadprocs which is only called from kvm_getprocs when kd > is not ALIVE. > The only consumer in our tree that I can make out is *probably* kgdb, as > ps(1), top(1), w(1), pkill(1), fstat(1), systat(1), pmcstat(8) and > bsnmpd don't really work on coredumps > But, the kgdb file gnu/usr.bin/binutils/gdb/kvm-fbsd.c, where > kvm_getprocs is probably called on a dead kernel is not even used during > build! > So I guess I'm staring at dead code here, any kvm people around that can > clue me in? It is a while ago that I last used this, but ps and fstat definitely worked on crashdumps, to some extent. /usr/sbin/crashinfo uses this. -- Jilles Tjoelker
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