You are right in that it's not supported currently. But this certainly seems doable. We'll need a separate flag and some additional bookkeeping in the file plugin (which is really a part of the IPC plugin) for this.
FYI: We have now merged the pathvirt plugin to the DMTCP 2.5 branch. Please feel free to try it and let us know if you face any issues or have any feedback/comments. > On Feb 26, 2016, at 2:46 PM, Kyle Harrigan <kwharri...@gmail.com> wrote: > > If I'm being pedantic about the option "--checkpoint-open-files", this means > that the subject case is not handled. > > True statement? > > In other words, often processes will create a file, write some stuff, and > close it. It would be nice if DMTCP had an option to bookkeep those files > and store them in the `ckpt*_files` folder along with contents of open files > at the checkpoint time. > > This allows a more precise capture of the process state and supporting files > which may be required for migrating said process to other machines, etc. > > This seems doable, with just a simple array to handle previously opened > files, and an option to copy those files to ckpt_files on checkpoint, and to > restore them to previous location on restart (of course included pathvirt > functionality as well ;->). > > Thoughts? Comments? Edge cases? Already supported and I missed it? > > > Thanks, > Kyle Harrigan > > ------------------------------------------------------------------------------ > Site24x7 APM Insight: Get Deep Visibility into Application Performance > APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month > Monitor end-to-end web transactions and take corrective actions now > Troubleshoot faster and improve end-user experience. Signup Now! > http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140_______________________________________________ > Dmtcp-forum mailing list > Dmtcp-forum@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/dmtcp-forum ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ Dmtcp-forum mailing list Dmtcp-forum@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dmtcp-forum
