** Changed in: linux (Ubuntu Zesty)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1585741
Title:
[ubuntu 16.10] Enable OPTPROBES for powerpc
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Yakkety:
Won't Fix
Status in linux source package in Zesty:
Fix Committed
Bug description:
This is a feature request for Ubuntu 16.10:
Optimized kprobes support for powerpc :
This feauture aims to enhance the performance of kprobes. Currently, whenever
a probe is placed in the kernel using the kprobes infrastructure, it places a
trap instruction at that place. This feature will replace the trap with a
branch thereby reducing the probe overhead drastically.
Patches to enable this are being sent :
https://lkml.org/lkml/2016/5/17/513
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