[maemo-developers] Kernel level checkpoint & restart

[From: Neal H. Walfield]

At Thu, 14 Aug 2008 15:24:03 +0100,
Andrew Flegg wrote:
> Today's LWN has an interesting article on a patchset being developed
> to give checkpoint & restart functionality to Linux:
> 
>     http://lwn.net/SubscriberLink/293575/03bb471d0d0b9261/
> 
> This'd effectively allow the kernel to freeze a process and restore it
> at a later date. The immediate thought in my mind was using this to
> help automatically deal with low-memory, low-battery and standby
> problems in Maemo.
> 
> It's still very immature, but something Maemo kernel hackers may be
> interested in.

You may want to check out DMTCP, which I have heard is fairly stable:

  http://dmtcp.sourceforge.net/

and its associated paper:

  "Transparent User-Level Checkpointing for the Native POSIX Thread
  Library for Linux"
  by Michael Rieker, Jason Ansel and Gene Cooperman,
  PDPTA 2006

  http://www.ccs.neu.edu/home/gene/papers/pdpta06.pdf


Neal