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Subject: Re: [OMPI users] Argument parsing issue
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2011-01-27 08:55:06


I found the code in OMPI that is dropping the quoting.

Specifically: it *is* OMPI that is dropping your quoting / splitting "foo bar" into 2 arguments when re-execing totalview.

Let me see if I can gin up a patch...

On Jan 27, 2011, at 7:42 AM, Ralph Castain wrote:

> The problem is that mpirun regenerates itself to exec a command of "totalview mpirun ....", and the quotes are lost in the process.
>
> Just start your debugged job with "totalview mpirun ..." and it should work fine.
>
> On Jan 27, 2011, at 3:00 AM, Gabriele Fatigati wrote:
>
>> The problem is how mpirun scan input parameters when Totalview is invoked.
>>
>> There is some wrong behaviour in the middle :(
>>
>> 2011/1/27 Reuti <reuti_at_[hidden]>
>> Am 27.01.2011 um 10:32 schrieb Gabriele Fatigati:
>>
>> > Mm,
>> >
>> > doing as you suggest the output is:
>> >
>> > a
>> > b
>> > "c
>> > d"
>>
>> Whoa - your applications without the debugger is running fine - so I don't think that it's a problem with `mpirun` per se.
>>
>> The same happens with single quotes inside double quotes?
>>
>> -- Reuti
>>
>>
>> > and not:
>> >
>> > a
>> > b
>> > "c d"
>> >
>> > 2011/1/27 Reuti <reuti_at_[hidden]>
>> > Hi,
>> >
>> > Am 27.01.2011 um 09:48 schrieb Gabriele Fatigati:
>> >
>> > > Dear OpenMPI users and developers,
>> > >
>> > > i'm using OpenMPI 1.4.3 and Intel compiler. My simple application require 3 line arguments to work. If i use the follow command:
>> > >
>> > > mpirun -np 2 ./a.out a b "c d"
>> > >
>> > > It works well.
>> > >
>> > > Debugging my application with Totalview:
>> > >
>> > > mpirun -np 2 --debug ./a.out a b "c d"
>> > >
>> > > Argument parsing doesn't work well. Arguments passed are:
>> > >
>> > > a b c d
>> >
>> > this double expansion can happen with certain wrappers (also with queuing system this happens sometimes). What you can try is:
>> >
>> > $ mpirun -np 2 --debug ./a.out a b "'c d'"
>> >
>> > $ mpirun -np 2 --debug ./a.out a b "\"c d\""
>> >
>> > -- Reuti
>> >
>> >
>> > > and not
>> > >
>> > > a b "c d"
>> > >
>> > > I think there is an issue in parsing the arguments invoking Totalview. Is this a bug into mpirun or i need to do it in other way?
>> > >
>> > > Thanks in forward.
>> > >
>> > >
>> > >
>> > >
>> > >
>> > > --
>> > > Ing. Gabriele Fatigati
>> > >
>> > > Parallel programmer
>> > >
>> > > CINECA Systems & Tecnologies Department
>> > >
>> > > Supercomputing Group
>> > >
>> > > Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy
>> > >
>> > > www.cineca.it Tel: +39 051 6171722
>> > >
>> > > g.fatigati [AT] cineca.it
>> > > _______________________________________________
>> > > users mailing list
>> > > users_at_[hidden]
>> > > http://www.open-mpi.org/mailman/listinfo.cgi/users
>> >
>> >
>> > _______________________________________________
>> > users mailing list
>> > users_at_[hidden]
>> > http://www.open-mpi.org/mailman/listinfo.cgi/users
>> >
>> >
>> >
>> >
>> > --
>> > Ing. Gabriele Fatigati
>> >
>> > Parallel programmer
>> >
>> > CINECA Systems & Tecnologies Department
>> >
>> > Supercomputing Group
>> >
>> > Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy
>> >
>> > www.cineca.it Tel: +39 051 6171722
>> >
>> > g.fatigati [AT] cineca.it
>> > _______________________________________________
>> > users mailing list
>> > users_at_[hidden]
>> > http://www.open-mpi.org/mailman/listinfo.cgi/users
>>
>>
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>
>>
>>
>>
>> --
>> Ing. Gabriele Fatigati
>>
>> Parallel programmer
>>
>> CINECA Systems & Tecnologies Department
>>
>> Supercomputing Group
>>
>> Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy
>>
>> www.cineca.it Tel: +39 051 6171722
>>
>> g.fatigati [AT] cineca.it
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users

-- 
Jeff Squyres
jsquyres_at_[hidden]
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