Re: [RFC PATCH] LTTng relay buffer allocation, read, write

Steven Rostedt
2008-09-30T18:22:54Z

On Tue, 30 Sep 2008, Mathieu Desnoyers wrote:
>
> In Steven's scheme, the event IDs in the 4 bytes are reserved for
> (useless) internal use ;) They can therefore not be used for specific
> tracer event IDs, which I think is a misuse of the precious bits
> otherwise available to store really useful event IDs.

I'm using them, so they must not be totally useless. ;-)

But ftrace has its own event ids and I don't want the ring buffer to ever
have to know about them.

-- Steve