[KERNEL][PATCH] add utrace feature


tom.zanussi@...
 

From: Tom Zanussi <tom.zanussi@...>

This adds a utrace feature, in support of userspace tracing for systemtap.

It's been tested on actual x86 and x86-64 hardware, as well as qemux86-64
and qemuppc (utrace doesn't currently have support for arm or mips).

A couple examples with output have been added to the systemtap entry in
the tracing and profiling section of the Yocto wiki:

https://wiki.yoctoproject.org/wiki/Tracing_and_Profiling#systemtap

Please pull into the meta branch of linux-yocto.

Tom Zanussi (1):
meta: add utrace feature for linux-yocto

meta/cfg/kernel-cache/features/utrace/utrace.cfg | 1 +
meta/cfg/kernel-cache/features/utrace/utrace.scc | 2 ++
meta/cfg/kernel-cache/ktypes/standard/standard.scc | 3 +++
3 files changed, 6 insertions(+), 0 deletions(-)
create mode 100644 meta/cfg/kernel-cache/features/utrace/utrace.cfg
create mode 100644 meta/cfg/kernel-cache/features/utrace/utrace.scc

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