// NewTracer returns a tracer for the given PID.
NewTracer returns a tracer for the given PID.
// NewTracer returns a tracer for the given PID .
func NewTracer(pid int) *Tracer {
	return &Tracer{
		pid: pid,
	}
}
func NewTracer ( pid int ) * Tracer { return & Tracer { pid : pid , } }
NewTracer returns a tracer for the given PID.
NewTracer returns a tracer for the given PID .