[Crash-utility] improve ps performance

[Dave Anderson]

----- Original Message -----
> Hello Dave,
> 
> 
> I have modified the patch by your idea.
> 
> Please check.
> 
>    Thanks,
>      Pan
 
Hello Pan,

Thanks for updating this latest patch -- nice work!  

I have made a few changes:

(1) a few name changes for clarity's sake,
(2) moved the new task_table members to the end of the structure
    so as to not break extension modules that use it,
(3) fixed the malloc() memory leak in get_task_mem_usage(), 
(4) fixed the access of the tgid in store_context(), which needs to be
    accessed and stored as a pid_t and not a ulong, 
(5) added the "help -T" output to show the new fields in the task_table,
(6) and probably some other stuff that I've forgotten...

But for the most part I have left things functionally the same.  

I've attached the end result, and will continue testing it tomorrow.

Thanks,
  Dave
 
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