linux-kernel - Re: [RFC] Tracepoint proposal

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Message-Id: <20080625011951.D83E.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Wed, 25 Jun 2008 01:21:48 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Masami Hiramatsu <mhiramat@...hat.com>
Cc:	kosaki.motohiro@...fujitsu.com,
	Takashi Nishiie <t-nishiie@...css.fujitsu.com>,
	"'Alexey Dobriyan'" <adobriyan@...il.com>,
	"'Mathieu Desnoyers'" <mathieu.desnoyers@...ymtl.ca>,
	"'Peter Zijlstra'" <peterz@...radead.org>,
	"'Steven Rostedt'" <rostedt@...dmis.org>,
	"'Frank Ch. Eigler'" <fche@...hat.com>,
	"'Ingo Molnar'" <mingo@...e.hu>,
	"'LKML'" <linux-kernel@...r.kernel.org>,
	"'systemtap-ml'" <systemtap@...rces.redhat.com>,
	"'Hideo AOKI'" <haoki@...hat.com>
Subject: Re: [RFC] Tracepoint proposal

> Tracepoint
>  - stored in a section
>  - dynamic activation
>  - no message
>  - export kernel structure
>  - arguments depending on points
>  - high frequently called
>  - no module support (kernel use only)

Why Shouldn't kernel module use tracepoint?
technical problem? or any plicy exist?


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