linux-kernel - Re: [patch 01/15] Kernel Tracepoints

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Message-ID: <487CF206.4010905@redhat.com>
Date:	Tue, 15 Jul 2008 14:52:54 -0400
From:	Masami Hiramatsu <mhiramat@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	akpm@...ux-foundation.org, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, "Frank Ch. Eigler" <fche@...hat.com>,
	Hideo AOKI <haoki@...hat.com>,
	Takashi Nishiie <t-nishiie@...css.fujitsu.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>,
	Paul E McKenney <paulmck@...ux.vnet.ibm.com>
Subject: Re: [patch 01/15] Kernel Tracepoints

Hi,

Peter Zijlstra wrote:
> On Tue, 2008-07-15 at 10:46 -0400, Mathieu Desnoyers wrote:
> 
>> Talking about headers, I have noticed that placing headers with the code
>> may not be as clean as I would hope. For instance, the kernel/irq-trace.h
>> header, when included from kernel/irq/handle.c, has to be included with:
>>
>> #include "../irq-trace.h"
>>
>> Which is not _that_ bad, but we we want to instrument the irq handler
>> found in arch/x86/kernel/cpu/mcheck/mce_intel_64.c, including
>> #include "../../../../../kernel/irq-trace.h" makes me go "yeeeek!"
>>
>> How about creating include/trace/irq.h and friends ?
> 
> Might as well.. anybody else got opinions?

I just wonder why DEFINE_TRACE are used in separated headers
instead of include/linux/irq.h directly.

anyway, #include <trace/XXX.h> is good to me.

-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division

e-mail: mhiramat@...hat.com

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