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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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