Re: Post-mortem debugging tools

[David Holland <dholland-tech%netbsd.org@localhost>]

On Wed, Feb 06, 2013 at 01:16:11AM +0100, Joerg Sonnenberger wrote:
 > On Tue, Feb 05, 2013 at 10:25:23AM +0000, David Holland wrote:
 > > On Mon, Feb 04, 2013 at 09:39:04PM +0100, Joerg Sonnenberger wrote:
 > >  > we have quite a few tools in base that still require KVM or optionally
 > >  > support it. Removing all tools that require KVM for operation (and
 > >  > therefore setgid) is one of the open goals. It would be nice if that
 > >  > doesn't require adding lots of duplicate code. For that, a decision is
 > >  > required what programs are required for post-mortem analysis (i.e.
 > >  > debugging kernel dumps) and limit dual-KVM/sysctl code paths to that.
 > > 
 > > ISTM that there should be one library (probably not the libkvm we
 > > currently have) that does both things transparently. That, or sysctl
 > > emulation for dump images.
 > 
 > That still requires duplicate code, so it doesn't change the question of
 > what such code is needed for.

Er wut? For any particular piece of data there are two rather
different ways to get it, but I don't see what's duplicative about
this.

-- 
David A. Holland
dholland%netbsd.org@localhost