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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