[lttng-dev] LTTng and Red Hat / CentOS RealTime Kernels

Mathieu Desnoyers mathieu.desnoyers at efficios.com
Wed Nov 16 22:27:11 UTC 2016

----- On Nov 15, 2016, at 11:52 PM, Swartz, Shane <sswartz at ball.com> wrote: 

> Is it possible to load the LTTng tools with a Red Hat or CentOS version 7 Real
> Time kernel? If yes, can it be done using the EfficiOS LTTng packages or only
> by building the packages from source code?

> Thanks.

Hi Shane, 

The LTTng kernel tracer works with a range of Preempt-RT kernel versions. 
It is tested in CI on the Preempt-RT kernel branches currently maintained 
by preempt-rt developers. However, it does not currently cover the 
3.8.13-rt27.34 kernel listed on the RHEL page, and the EfficiOS 
packages for RHEL do not currently target their Preempt-RT kernel. 



Mathieu Desnoyers 
EfficiOS Inc. 
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