Subject: Re: sparse core dumps?
To: None <>
From: Ronald Khoo <>
List: tech-kern
Date: 07/28/2004 12:31:30
[ reviving a slightly old thread.... ]

> On Jun 2, 2004, at 2:25 PM, Hubert Feyrer wrote:
> > Would it be possible to allow core dumps to be "sparse"?

On Jun 2, 2004, at 10:02 PM, Nathan J. Willams wrote:
> [ ... ] The project calls for a bit of UVM guru-hood.

Hm..  lack of guru-hood, but those blocks of zeros sure look 
compressible.  How hard would it be to get the kernel to
dump the core through a userland incarnation of gzip -2 or something
say, if the DEFCORENAME ended in .gz (too bad a hack for netbsd, p'haps?)