Messages in this thread |  | | | Date | Tue, 26 Feb 2008 08:48:13 +0200 | | From | "Pekka Enberg" <> | | Subject | Re: [PATCH] x86: add the debugfs interface for the sysprof tool |
Hi,
On Tue, Feb 26, 2008 at 8:27 AM, Pekka Enberg <penberg@cs.helsinki.fi> wrote:
> > 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?
Ok, so as pointed out by Nicholas/Andrew, oprofile does indeed do
exactly what sysprof does (see
arch/x86/oprofile/backtrace.c::backtrace_address, for example). So,
Soeren, any other reason we can't use the oprofile kernel module for
sysprof?
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