[torquedev] Issues debugging fork statements in MOM using GNU
velayups at email.uc.edu
Wed Mar 1 15:52:51 MST 2006
Garrick Staples wrote:
> On Wed, Mar 01, 2006 at 09:40:30AM -0500, Prakash Velayutham alleged:
>> I do not know if this is the right list, but hopefully someone here can
>> help me. I am trying to understand the working of Torque system and so
>> going through the source code. I have been pretty successful with GDB in
>> cases of forking (where I want to follow the child), but for some reason
>> it does not seem to work at the MOM end. Especially inside the
>> TMomFinalizeJob2 routine, none of my tricks to get to follow the child
>> process is successful. Could anyone here lead me in the right direction
>> to achieve this?
> I don't know how to do it directly either. I do most of that printf
> and logging. You can also use abort() at strategic locations and
> inspect the core file. And valgrind can conviently run gdb on the child
> processes for you.
Is it possible to debug the MOM code interactively (meaning real-time
debugging) using valgrind running gdb? Could you give me an example of
that usage? Just a newbie with valgrind...
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