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 |
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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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