@@ -2,12 +2,14 @@ package docker

 import (

 	"sync"

+	"time"

 )

 type State struct {

 	Running  bool

 	Pid      int

 	ExitCode int

+	StartedAt time.Time

 	stateChangeLock *sync.Mutex

 	stateChangeCond *sync.Cond

@@ -25,6 +27,7 @@ func (s *State) setRunning(pid int) {

 	s.Running = true

 	s.ExitCode = 0

 	s.Pid = pid

+	s.StartedAt = time.Now()

 	s.broadcast()

 }