linux-kernel - Re: [PATCH v4] ftrace: document basic ftracer/ftracer graph needs

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Message-ID: <8bd0f97a0909141401y56961a77nfb2b78b43e8b0426@mail.gmail.com>
Date:	Mon, 14 Sep 2009 17:01:49 -0400
From:	Mike Frysinger <vapier.adi@...il.com>
To:	rostedt@...dmis.org
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] ftrace: document basic ftracer/ftracer graph needs

On Mon, Sep 14, 2009 at 16:53, Steven Rostedt wrote:
> On Mon, 2009-09-14 at 16:21 -0400, Mike Frysinger wrote:
>> On Mon, Sep 14, 2009 at 15:48, Steven Rostedt wrote:
>> > On Sat, 2009-06-13 at 23:05 -0400, Mike Frysinger wrote:
>> >> diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
>> >> index fd9a3e6..95a39fb 100644
>> >> --- a/Documentation/trace/ftrace.txt
>> >> +++ b/Documentation/trace/ftrace.txt
>> >> @@ -27,6 +27,12 @@ disabled, and more (ftrace allows for tracer plugins, which
>> >>  means that the list of tracers can always grow).
>> >>
>> >>
>> >> +Implementation Details
>> >> +----------------------
>> >> +
>> >> +See ftrace-implementation.txt for details for arch porters and such.
>> >
>> > Might want to specify that this is for the function tracer.
>>
>> well, all of ftrace.txt says "function tracer", so if/when someone
>> cleans that up, this will get fixed in the process.
>
> Well things do need to be clean up, the original code had the function
> tracer called ftrace, which it no longer does. Why add more incorrect
> documentation just to match the previous incorrect documentation?

if the filename is updated, do i really need to duplicate it ?

See function-tracer-design.txt for details for arch porters and such.

if people add other design/porting info, this can be a simple list and
the filename itself can imply the details contained within ...
-mike
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