[lttng-dev] Perf ABI (was: Re: [PATCH 09/11] sched: export task_prio to GPL modules)

[Steven Rostedt]

On Thu, 2012-01-12 at 11:27 -0500, Mathieu Desnoyers wrote:

> > What udev did is more like what you want to do than what I did with
> > trace-cmd.
> 
> OK. Then how can trace-cmd support the LTTng features ?

New syscalls, or new files, and simply check if they exist.

New features should not break old ones.

-- Steve