RE: Tools to debug multiple cores/processes at the same time?

["Aktemur, Tankut Baris" <tankut.baris.aktemur@intel.com>]

> Let me give an example of a debugging session:
> 
> * start a session with 3 core files
> 
> * run a command that shows info about each core (assume a python
> "showinfo" command that show all threads with some details about each
> one).  Maybe a command like:
>   (gdb) all: showinfo
>   i1: <info>
>   i2: <info>
>   i3: <info>
> 
> * For each core, go to a certain thread (of course the thread numbers
> will be different in each core):
>   (gdb) i1: thr 7
>   (gdb) i2: thr 9
>   (gdb) i3: thr 23
> 
> * Run a command that returns some value and stores it in a convenience
> variable, on all cores:
>   (gdb) all: set $v = $findstuff()
> 
> * Run a command that shows some value, on all cores:
>   (gdb) all: p $v->someDetail
>   i1: $1 = 7
>   i2: $1 = 44
>   i3: $1 = 165
> 
> I dunno, something like that.  Alternatively maybe it would be simpler
> for output for each inferior to go to a separate terminal or whatever.

Hi,

Have you considered using the "thread apply" command?

-Baris


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