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Date:      Mon, 3 May 2004 20:06:43 -0400 (EDT)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        freebsd-current@FreeBSD.ORG
Subject:   Re: partial dumps (was Re: Change default dumpdir to /usr/crash?)
Message-ID:  <16534.56979.473606.42982@grasshopper.cs.duke.edu>
In-Reply-To: <16534.21617.310294.982202@grasshopper.cs.duke.edu>
References:  <200404301403.50634.past@noc.ntua.gr> <20040430123040.GB30157@melusine.cuivre.fr.eu.org> <20040430211948.GC85783@dragon.nuxi.com> <16534.21617.310294.982202@grasshopper.cs.duke.edu>

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Andrew Gallatin writes:
 > accept and port to -current the Duke "partial dump" patches. These
 > patches allow the user to optionally dump just the kernel virtual
 > address space.  This results in dumps that are generally less than

Eeek.  I misremembered.

The code actually skips free pages, memory holes, and file-backed (aka
vmio) pages.  So you can end up with a lot more than the kernel map.
But I think it should still be a huge win.

Drew




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