Re: [git pull] latency tracer

From: Andrew Morton
Date: Sat Feb 09 2008 - 03:06:39 EST


On Sat, 9 Feb 2008 08:37:56 +0100 Ingo Molnar <mingo@xxxxxxx> wrote:

>
> * Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> > On Fri, 8 Feb 2008 22:45:22 +0100 Ingo Molnar <mingo@xxxxxxx> wrote:
> >
> > > Linus, please pull the latency tracer tree from:
> > >
> > > git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched.git
> > >
> > > Find the shortlog below.
> > >
> > > This is the latency tracer from -rt
> >
> > I've never seen any of this code before and googling several of the
> > patch titles turns up this email and nothing else.
>
> there might be some confusion here. Google for "mcount tracing utility"
> - there's 2270 hits. There's been 8 full series posted to lkml in the
> past month:
>
> ..
>
> we renamed the concept to 'ftrace' during pre-merge cleanups, perhaps
> that is what caused you to not recognize this? (mcount is a confusing
> name and ties it to a gcc feature while there's nothing gcc specific
> about this concept.)
>

Oh. That clang you heard was a penny dropping.

I'd been kind of ignoring those patches assuming I had a couple more
months.

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