linux-kernel - Re: [RFC][PATCH v1 06/15] perf: export tracepoint events via sysfs: iwlwifi and iwlwifi

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Date:	Thu, 22 Jul 2010 09:54:04 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Johannes Berg <johannes@...solutions.net>,
	Lin Ming <ming.m.lin@...el.com>,
	Reinette Chatre <reinette.chatre@...el.com>,
	Robert Richter <robert.richter@....com>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Greg KH <greg@...ah.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Paul Mundt <lethal@...ux-sh.org>,
	"eranian@...il.com" <eranian@...il.com>,
	"Gary.Mohr@...l.com" <Gary.Mohr@...l.com>,
	"arjan@...ux.intel.com" <arjan@...ux.intel.com>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>,
	Paul Mackerras <paulus@...ba.org>,
	"David S. Miller" <davem@...emloft.net>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Will Deacon <will.deacon@....com>,
	Maynard Johnson <mpjohn@...ibm.com>,
	Carl Love <carll@...ibm.com>,
	Kay Sievers <kay.sievers@...y.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RFC][PATCH v1 06/15] perf: export tracepoint events via
 sysfs: iwlwifi and iwlwifi_io

On Thu, 2010-07-22 at 15:48 +0200, Ingo Molnar wrote:
> * Steven Rostedt <rostedt@...dmis.org> wrote:

> Yeah - and the point of this submission is to allow the discussion of how to 
> achieve these registrations.
> 
> Driver authors will want to have some control - for example the place where 
> the events directory shows up in sysfs within the driver's directory structure 
> - etc.
> 
> But we indeed want to automate it as much as possible.

Perhaps we can create a TRACE_EVENT_PATH() macro, that allows the
developer to specify the path that the event will be seen in sysfs?

-- Steve


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