Messages in this thread | | | Subject | Re: [PATCH] x86: add the debugfs interface for the sysprof tool | From | Nicholas Miell <> | Date | Sat, 23 Feb 2008 19:12:27 -0800 |
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On Sun, 2008-02-24 at 04:49 +0200, Pekka Enberg wrote: > Hi Andrew, > > Andrew Morton wrote: > > I didn't need to write a new kernel module to enable that > > thirteen-character shell script, and I don't believe one needs to write a > > new kernel module to put a nice easy-to-use GUI around oprofile either. > > > > This is one of those i-cant-believe-im-having-this-discussion discussions. > > 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. > > Pekka
You could try passing the --callgraph option to opcontrol.
-- Nicholas Miell <nmiell@comcast.net>
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