linux-kernel - Re: [PATCH] rudimentary tracing for Classic RCU

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Message-ID: <20081009105305.GF24560@one.firstfloor.org>
Date:	Thu, 9 Oct 2008 12:53:05 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Frédéric Weisbecker <fweisbec@...il.com>
Cc:	paulmck@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	mingo@...e.hu, rjw@...k.pl, dipankar@...ibm.com,
	tglx@...uxtronix.de, andi@...stfloor.org
Subject: Re: [PATCH] rudimentary tracing for Classic RCU

> Why don't you use the ring-buffer tracing engine?

Because he doesn't actually need a ring buffer, it's a snapshot in
time.

> You will really make your life better by putting it as a tracer in
> kernel/trace and by using the relevant API.
> That will avoid you to manage the debugfs things, the memory
> allocation, the buffer managment.....

ftrace-of-bork wants to assimilate everything?

-Andi

-- 
ak@...ux.intel.com
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