Messages in this thread | | | Date | Wed, 19 Sep 2007 07:20:33 -0400 | From | Mathieu Desnoyers <> | Subject | Re: [PATCH] Combine instrumentation menus in kernel/Kconfig.instrumentation |
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* Valdis.Kletnieks@vt.edu (Valdis.Kletnieks@vt.edu) wrote: > On Tue, 18 Sep 2007 21:06:28 EDT, Mathieu Desnoyers said: > > > * Valdis.Kletnieks@vt.edu (Valdis.Kletnieks@vt.edu) wrote: > > > OK, I'll bite - given the mention of 'debugging' there, do we want to go for > > > broke and *also* suck in the 'Kernel Hacking' menu as well? > > > > Instrumentation primarity aims at debugging user-space applications by > > giving the ability to extract information across execution layers, hence > > being a feature useful to users, not only kernel hackers. > > Ahh.. Where I come from, "Instrumentation" includes *all* the code that doesn't > actually *do* the work, but exists solely so you can tell what the code is > doing - so almost everything on the i386/x86_64 "Kernel Hacking" menu counts > as "instrumentation" in my book. > > Now if we're talking about the features provided by one specific *instance* > of instrumentation code, I can buy that too - but I think that help text > needs to be clear on what is included under "debugging" > > (I'd settle for "If you're trying to debug the kernel itself, go see the > Kernel Hacking menu" or similar.. ;) >
Ok, let's add that.
> > to many, not only kernel developers. Please have a look at the > > papers (especially the OLS2007 paper) linked on http://ltt.polymtl.ca as a > > starting point if you are intereted in the question. > > Ahh, LTT. *that* I recognize. Yeah, I count that as *one flavor* of > instrumentation. :) >
Systemtap, kprobes and oprofile would also fall into the same category.
Mathieu
-- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 [unhandled content-type:application/pgp-signature] | |