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From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, akpm@osdl.org,
	Peter Zijlstra <peterz@infradead.org>,
	Soeren Sandmann Pedersen <sandmann@redhat.com>,
	Pekka Paalanen <pq@iki.fi>
Subject: Re: [PATCH 0/3] ftrace: overrun accounting and trace_pipe headers
Date: Tue, 22 Apr 2008 15:33:44 +0200	[thread overview]
Message-ID: <20080422133344.GE7311@elte.hu> (raw)
In-Reply-To: <20080421210935.460817943@goodmis.org>


* Steven Rostedt <rostedt@goodmis.org> wrote:

> The first patch in this series adds accounting to record overruns. 
> That is where the writing catches up to the reading of the buffer. 
> This really only matters for trace_pipe since that's a consumer / 
> producer output file.
> 
> The next patch adds new methods for the plugins to hook into the 
> open_pipe and open_read, to let a plugin produce a header. The 
> open_read method can also be used to do something when overruns are 
> detected.

thanks, applied.

> The last patch is a test patch AND SHOULD NOT BE APPLIED. It is just 
> an example in how to use the new methods to produce a header. It 
> simply makes the ftrace tracer produce a simple "Test header" before 
> any output.

thanks, not applied ;-)

	Ingo

  parent reply	other threads:[~2008-04-22 13:34 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-21 21:09 [PATCH 0/3] ftrace: overrun accounting and trace_pipe headers Steven Rostedt
2008-04-21 21:09 ` [PATCH 1/3] ftrace: add logic to record overruns Steven Rostedt
2008-04-26 20:47   ` Pekka Paalanen
2008-04-28 13:13     ` Steven Rostedt
2008-04-21 21:09 ` [PATCH 2/3] ftrace: add trace pipe header pluggin Steven Rostedt
2008-04-26 17:33   ` Pekka Paalanen
2008-04-28 13:05     ` Steven Rostedt
2008-04-21 21:09 ` [PATCH 3/3] TEST PATCH - ftrace example patch for use of trace pipe headers Steven Rostedt
2008-04-22 13:33 ` Ingo Molnar [this message]
2008-04-22 17:36 ` [PATCH 0/3] ftrace: overrun accounting and trace_pipe headers Pekka Paalanen
2008-04-23  0:58   ` Steven Rostedt

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