linux-kernel - Re: [PATCH 0/3] A kernel tracing interface

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Message-Id: <20070926114108.6ac77ce5.randy.dunlap@oracle.com>
Date:	Wed, 26 Sep 2007 11:41:08 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	"David J. Wilder" <dwilder@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	hch@...radead.org, mathieu.desnoyers@...ymtl.ca
Subject: Re: [PATCH 0/3] A kernel tracing interface - (updated)

On Wed, 26 Sep 2007 11:22:29 -0700 David J. Wilder wrote:

> These patches provide a kernel tracing interface called "trace".
> 
> (update) Moved the sample code to the new samples\ subdir
> 
> The motivation for "trace" is to:
> - Provide a simple set of tracing primitives that will utilize the high-
>   performance and low-overhead of relayfs for passing traces data from
>   kernel to user space.
> - Provide a common user interface for managing kernel traces.
> - Allow for binary as well as ascii trace data.
> - Incorporate features from the systemtap runtime that are
>   useful to others.
> 
> Patches are against 2.6.23-rc6-mm1
> 
> Summary of patches:
> [patch 1/3]  Trace code and documentation
> [patch 2/3]  Relay Reset Consumed
> [patch 3/3]  Trace sample
> 
> Note: Patches 1/3 and 2/3 must be applied together.

Patch 2 provides an interface that patch 1 needs, correct?
So yes, patches 1 & 2 need to be applied together (merged),
or their order could be reversed, yes?  Can't the Relay patch
be merged standalone without breaking anything?


> Note: The following patches must be applied with 3/3.
> [patch 3/5] Add samples subdir
> 	http://lkml.org/lkml/2007/9/25/157
> [patch 4/5] Linux Kernel Markers - Samples
> 	http://lkml.org/lkml/2007/9/25/166


---
~Randy
Phaedrus says that Quality is about caring.
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