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

Martin Bligh
2008-09-30T19:44:28Z

> You are actually using them to put redundant information that could be
> encoded differently and thus save 4 bits per event records, more or less
> what will be needed by most tracers (15 IDs, 1 reserved for an extended
> ID field).

You have 15 event types that are useful with no data payload at all?

> So the fact that you use them does not mean they are really required,
> and I don't think such duplicated information actually makes things more
> solid. Maybe just more obscure ?

This is all over 1 bit of information, right? Since you need at least 1 for
the timestamp stuff.