Cryopid as boot time reduction
David Nicol
davidnicol at gmail.com
Thu Mar 20 11:02:30 CDT 2008
On Tue, Mar 18, 2008 at 9:50 PM, Luke -Jr <luke at dashjr.org> wrote:
> Cryopid was what happened when I brought up per-application (eg, less than a
> full system) suspending on the SwSusp2 list some years ago. Pretty neat toy,
> but I don't think any real world use has come of it so far-- the main problem
> being that you lose any open I/O (other than stdio), which is generally the
> purpose of any application running.
it seems like ptrace and so on could be used to construct a network of related
files and freeze them all, along with metadata needed to reconstruct
the internal
plumbing
the problem seems related to file descriptor migration in a plan-9 or
mosix (which
has been shut down as recent way-fast CPUs and distcc have obviated it) sense
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