linux-kernel - Re: [tracing] ring

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Date:	Mon, 18 May 2009 11:52:52 -0500
From:	David Smith <dsmith@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	Jon Masters <jonathan@...masters.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [tracing] ring_buffer question

Steven Rostedt wrote:
> On Mon, 18 May 2009, David Smith wrote:
> 
>> Jon Masters wrote:
>>> [thinking out loud] Does the global disable stuff also disable other
>>> non-tracing ring buffers?
>> I believe it does.  If I'm correct, I think it would be a good idea to
>> make that an ftrace-disable feature, not a general ring buffer disable
>> feature.
> 
> We can do that when we get more users of the ring buffer and we find it 
> makes sense.

It appears that oprofile is already using the ring buffer.  With Jon's
stuff as a 2nd non-ftrace-user, doesn't it make sense now?

-- 
David Smith
dsmith@...hat.com
Red Hat
http://www.redhat.com
256.217.0141 (direct)
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