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SubjectRe: [PATCH 0/3] A kernel tracing interface - (updated)
Randy Dunlap wrote:
> 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?
Yes.
> So yes, patches 1 & 2 need to be applied together (merged),
> or their order could be reversed, yes?
2/3 should be applied at the same time as 1/3, or 2/3 can be applied
standalone. The order they are applied makes no difference. But trace
will not build if the relay patch is not applied.

Can't the Relay patch
> be merged standalone without breaking anything?

Yes the relay patch can be applied standalone.



>
>
>> 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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