Re: [RFC 00/14] perf tools: Introduce new 'ftrace' command

From: Ingo Molnar
Date: Wed Apr 24 2013 - 02:50:28 EST



* Pekka Enberg <penberg@xxxxxxxxxx> wrote:

> Hello,
>
> On Tue, 2013-04-23 at 17:30 +0900, Namhyung Kim wrote:
> >> This patchset implements a front-end tool for kernel's ftrace. It
> >> uses function_graph tracer by default and normal function tracer is
> >> also supported. (Of course you need to enable those tracers in your
> >> kernel first.)
>
> On Tue, Apr 23, 2013 at 6:58 PM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> > Very nice Namhyung, thanks for doing this. I did a quick run through of
> > the patches and I have no complaints about them. I'm not sure how the
> > others will feel about it.
>
> I also skimmed through the patches and they look like a reasonable
> starting point. So FWIW,
>
> Acked-by: Pekka Enberg <penberg@xxxxxxxxxx>
>
> Are there any plans in trying to consolidate 'perf trace' and this? As
> a user I don't really care what the underlying mechanism and would
> like things to just work out of the box.

Exactly. I'd love to see ftrace and perf trace unified.

I have no objections against having a 'perf ftrace' interim step - as long
as it's really a temporary migration construct, not something we intend to
keep forever.

Thanks,

Ingo
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