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SubjectRe: [PATCH 00/15] [git pull] for tip/tracing/ftrace
On Tue, Feb 17, 2009 at 07:49:49AM -0500, Steven Rostedt wrote:
>
> On Tue, 17 Feb 2009, Ingo Molnar wrote:
>
> >
> > * Steven Rostedt <rostedt@goodmis.org> wrote:
> >
> > > Ingo,
> > >
> > > This is a patch series that offers a variety of features.
> > >
> > > The first is to add:
> > >
> > > #### all functions enabled ####
> > >
> > > to set_ftrace_filter when all functions will be traced when function
> > > tracing is on.
> > >
> > > The next is to add a :command: interface, and the module command:
> > >
> > > echo '*:mod:ext4' > set_ftrace_filter
> > >
> > > Will select all functions in the ext4 module.
> > >
> > > echo '!*write*:mod:ext4' > set_ftrace_filter
> > >
> > > will remove all functions with the characters 'write' and are
> > > in ext4.
> >
> > Very nice feature!
> >
> > I'm wondering, would it be possible to somehow extend this to
> > built-in drivers too, so that we get symmetry of usage
> > independently of whether something is built in or a module? I
> > suspect it needs some extensions to kbuild though ...
>
> Yeah, that may needs some kbuild magic.

I have not followed this thread.
What kind of magic do you have in mind?

Sam


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