Use decorator to instrument with metrics and don't instrument "spawn" call since it makes no sense - spawn call is non blocking and should return immediately.
Use decorator to instrument with metrics and don't instrument "spawn"
call since it makes no sense - spawn call is non blocking and should
return immediately.

In addition to that, _handle_executin method is already instrumented via
decorator.

nzlosh/st2,StackStorm/st2,StackStorm/st2,StackStorm/st2,StackStorm/st2,nzlosh/st2,Plexxi/st2,Plexxi/st2,Plexxi/st2,nzlosh/st2,Plexxi/st2,nzlosh/st2