Hi Motaz,

On Thu, 22 Dec 2011 10:57:48 -0800 (PST)
Motaz SAAD <motaz.s...@gmail.com> wrote:
> Hello,
> 
> Thanks very much, it is really helpful tool.

You're welcome.

> my script spend 10 min running until I get segmentation fault error,
> but when I traced my script and it spend 2 days and still running !!!
> I run tracing using -d flag (perl -d:Trace p.pl)
> is this normal ?

Well, the "-d:Trace" flag slows down the execution, but it shouldn't be such a
dramatic difference. I guess you've ran into a Heisenbug:

http://en.wikipedia.org/wiki/Unusual_software_bug#Heisenbug

I'm not sure what's causing it, but I guess you can try doing manual traces
using prints.

Regards,

        Shlomi Fish

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