Re: [RFC][PATCH 3/5] check files for checkpointability

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On Mon, 2009-02-23 at 19:10 -0600, Serge E. Hallyn wrote:
> > This allows us to tell where and when we went wrong.  Take a process
> > that's been running for a month.  After 5 days it did something random
> > to keep it from being checkpointed.  You're going to have forgotten all
> > about it 25 days later.  This gives us an opportunity to spit into dmesg
> > or just plain log it.  It also gives the app some ability to reflect and
> > see what its uncheckpointable attributes are.  
> 
> Hmm.  In that case, rather than refuse checkpoint, I prefer that we make
> this a footnote in the /proc/$$/checkpointable output.

Yeah, that's cool.  If we were smart, we'd also get hooked into some of
the ftrace output so that we have a real chance of logging these things
and being able to go look at something about them down the line.

-- Dave

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