Re: Re: [PATCH 2/2] ftrace: Code cleanup for kernel/trace/trace_events_stage_*.h

From: Jiaying Zhang
Date: Wed Apr 08 2009 - 03:16:25 EST


Actually my real concern is that the current event tracing interface in ftrace
is still too complex. I am putting those macros together and see whether we
can merge some of them.

Jiaying

On Wed, Apr 8, 2009 at 12:04 AM, Zhaolei <zhaolei@xxxxxxxxxxxxxx> wrote:
> Jiaying Zhang wrote:
>> Hi Steve,
>>
>> I am looking at ftrace code more closely. It is also not clear to me why we
> Hello, Zhang
>
> Different people may have different taste on codeing style, but IMHO, separate
> those complex definition into several files make me easy to understand.
> It is only my personal code liking...
>
> B.R.
> Zhaolei
>
>> want to define the trace event macros in three stage header files. I wonder
>> whether it would be clearer if we merge them together. Then people don't
>> need to look at three files to understand what is going on in event tracing.
>>
>> Jiaying
>>
>> On Mon, Apr 6, 2009 at 6:54 PM, Steven Rostedt <rostedt@xxxxxxxxxxx
>> <mailto:rostedt@xxxxxxxxxxx>> wrote:
>>
>>
>>     On Fri, 3 Apr 2009, Zhaolei wrote:
>>
>>     > Add TRACE_FORMAT's define for trace_events_stage_2.h.
>>     > Although it is already defined in trace_events_stage_1.h, we
>>     should make each
>>     > function independence.
>>     >
>>     > Move TP_fast_assign's define from trace_events_stage_2.h to
>>     > trace_events_stage_3.h because it is used there.
>>     >
>>     > Unify TRACE_EVENT's 5th argument's name to "assign"
>>     >
>>     > Impact: cleanup, no functionality changed
>>     >
>>     > Signed-off-by: Zhao Lei <zhaolei@xxxxxxxxxxxxxx
>>     <mailto:zhaolei@xxxxxxxxxxxxxx>>
>>
>>     I see what you are doing here, but I'm a little hesitant to apply it.
>>     I'm getting ready to travel, so I do not have the time to look deeper at
>>     this today. I'll try to do it while I'm traveling.
>>
>>     Thanks,
>>
>>     -- Steve
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>
>
>
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