Messages in this thread | | | Date | Tue, 26 Feb 2008 08:27:32 +0200 | From | "Pekka Enberg" <> | Subject | Re: [PATCH] x86: add the debugfs interface for the sysprof tool |
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On Sun, Feb 24, 2008 at 5:12 AM, Nicholas Miell <nmiell@comcast.net> 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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