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Message-Id: <20080925155807.158539649@goodmis.org>
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Date: Thu, 25 Sep 2008 11:58:07 -0400
From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
       Peter Zijlstra <peterz@infradead.org>,
       Andrew Morton <akpm@linux-foundation.org>, prasad@linux.vnet.ibm.com,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Mathieu Desnoyers <compudj@krystal.dyndns.org>,
       "Frank Ch. Eigler" <fche@redhat.com>, David Wilder <dwilder@us.ibm.com>,
       hch@lst.de, Martin Bligh <mbligh@google.com>,
       Christoph Hellwig <hch@infradead.org>
Subject: [RFC PATCH 0/2 v2] Unified trace buffer (take two)
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Again: this is a proof of concept, just spitting out code for comments.

Here's my second attempt.

Changes since version 1:

 - Ripped away all the debugfs and event registration from ring buffers.

 - Removed the mergesort from the ringbuffer and pushed that up to the
   tracer.

 - Changed the event header to what Linus suggested (we can discuss this
   and try other suggestions for v3, namely Peter Zijlstras ideas).

 struct {
 	u32 time_delta:27, type:5;
	u32 data;
	u64 array[];
 };

 - Added timestamp at beginning of each page and implemented a way
   for all events to get the full timestamp from the previous.

 - The changes to ftrace on this release was much less than the first
   one.

Comments?

-- Steve