[Swift-devel] Swift Karajan debugging commands

Mihael Hategan hategan at mcs.anl.gov
Thu Aug 26 15:34:09 CDT 2010


On Thu, 2010-08-26 at 14:21 -0600, Michael Wilde wrote:
> ----- "Jonathan Monette" <jon.monette at gmail.com> wrote:
> 
> > ... when the hang occurs, I type v for the inhook you set up
> > 
> > and I get
> > Register Futures:
> > 
> > and then nothing.  Does this mean there is no listeners set up and
> > that 
> > is why it hung?
> >
> 
> I'd heard about but forgotten about these debugging hooks (t and v commands). I tried a small example and documented it in the CookBook for now:
> 
> http://www.ci.uchicago.edu/wiki/bin/view/SWFT/SwiftCookBook#Debugging_hung_Swift_tasks_Karaj
> 
> Please elaborate if there's more useful things to state about this.
> 
> It seems there is also a "d" command that wants an X DISPLAY to run.

Right. Once that started a swing interface which pretty much showed the
same information. I am not sure it works right now.

Mihael





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