kernel-shark-qt: Add Plugin event handlers to session.

Plugin event handlers are added to the Session context descriptor.
The handlers are used to execute plugin-specific action (callback
function) during the processing of the trace data.

Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2 files changed