kernel-shark: Add dialog for user-defined plugins to the Tools menu

The dialog allows the user to find and load the plugin's
library (.so file).

Link: http://lore.kernel.org/linux-trace-devel/20190313150717.21345-3-ykaradzhov@vmware.com

Reviewed-by: Slavomir Kaslev <kaslevs@vmware.com>
Signed-off-by: Yordan Karadzhov <ykaradzhov@vmware.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2 files changed