[ltt-dev] sub roadmap for text output

[Lai Jiangshan]

1) Marker ID management
   Marker ID identify every type of event,
   a) ASCII text output needs get name&fmt from eID faster.
   b) Marker ID and its data must be permanent.

2) ltt-relay events traveling
   current ltt-relay does not support iterator. it seems that ltt-relay is too
   complex to do this things. Is any plan to revise ltt-relay?

3) event reader
   get significative binary data from event. and convert them to a va_list
   or other type. binary in event is raw data, we must know its meaning for
   formating.

4) event text formator
   format data to text.

5) create files for text output and control

In all, I think text output is urgency for lttng, but
"ltt-relay events traveling" is the bottleneck.

Lai.