Re: [PATCH 2/2] tracing: identify which executable object the userspace address belongs to

[Frank Ch. Eigler]

Hi -

On Thu, Nov 27, 2008 at 11:41:45AM +0100, Peter Zijlstra wrote:
> > > Impact: modify+improve the userstacktrace tracing visualization feature
> > > [...]
> > > You'll see stack entries like:
> > >    /lib/libpthread-2.7.so[+0xd370]
> > > [...]
> > 
> > Can you suggest an actual distribution & architecture where this
> > facility may be tested/used?  It appears to require frame-pointer
> > stuff that AFAIK is not generally turned on for user-space.
> 
> gentoo, just rebuild world with frame pointers ;-)

Well, that only goes so far.  If this feature turns out unable to work
without distributors recompiling all their stuff on, for example, x86-64,
then expectations need to be reset.


- FChE
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/