Refactor to use atomic type

Signed-off-by: cuiweixie <[email protected]>

Author: cuiweixie

manager/container.go

@@ -65,7 +65,7 @@ type containerInfo struct {
 }
 
 type containerData struct {
-	oomEvents                uint64
+	oomEvents                atomic.Uint64
 	handler                  container.ContainerHandler
 	info                     containerInfo
 	memoryCache              *memory.InMemoryCache
@@ -683,7 +683,7 @@ func (cd *containerData) updateStats() error {
 		}
 	}
 
-	stats.OOMEvents = atomic.LoadUint64(&cd.oomEvents)
+	stats.OOMEvents = cd.oomEvents.Load()
 
 	var customStatsErr error
 	cm := cd.collectorManager.(*collector.GenericCollectorManager)

manager/manager.go

@@ -1249,7 +1249,7 @@ func (m *manager) watchForNewOoms() error {
 				continue
 			}
 			for _, cont := range conts {
-				atomic.AddUint64(&cont.oomEvents, 1)
+				cont.oomEvents.Add(1)
 			}
 		}
 	}()