Why I can't trace linux process's childs with truss?

[Alexander Best]

On Sun Sep 12 10, Mateusz Guzik wrote:
> On Sun, Sep 12, 2010 at 3:08 PM, Alexander Best <arundel at freebsd.org> wrote:
> > there's a PR related to this "issue" [1]. so is truss missing this
> > functionality or is this in fact a feature, because truss musn't be used on
> > any non freebsd executable?
> >
> 
> Actually truss handles linux processes just fine, except for their children. :)
> Linux process can create a child using linux_clone syscall, but truss does not
> handle that case and this can be the problem that Yuri reported (since
> no log was
> provided, I can only guess).
> 
> This trivial patch should fix this:
> http://student.agh.edu.pl/~mjguzik/truss-linux-forks.patch
> 
> Tested on this simple program:
> http://student.agh.edu.pl/~mjguzik/fork.c
> 
> If it still does not work, log generated by truss would be helfpul.

looking good. could be post that patch as followup to yuri's PR?

hope it gets committed soon. :)

cheers.
alex

> 
> Regards,
> --
> Mateusz Guzik

-- 
a13x