Re: [PATCH] x86: add the debugfs interface for the sysprof tool

[Pekka Enberg]

On Sun, Feb 24, 2008 at 5:12 AM, Nicholas Miell <nmiell@xxxxxxxxxxx> wrote:
> > Sysprof tracks the full stack frame so it can provide meaningful call
> > tree (who called what) which is invaluable for spotting hot _paths_. I
> > don't see how oprofile can do that as it tracks instruction pointers only.
>
>  You could try passing the --callgraph option to opcontrol.

Hmm, perhaps I am missing something but I don't think that does what
sysprof does. At least I can't find where in the oprofile kernel code
does it save the full stack trace for user-space. John?

                        Pekka
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