vendor: cadvisor v0.38.4

vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/cpuacct.go

@@ -40,24 +40,18 @@ func (s *CpuacctGroup) Name() string {
 	return "cpuacct"
 }
 
-func (s *CpuacctGroup) Apply(d *cgroupData) error {
-	// we just want to join this group even though we don't set anything
-	if _, err := d.join("cpuacct"); err != nil && !cgroups.IsNotFound(err) {
-		return err
-	}
-
-	return nil
+func (s *CpuacctGroup) Apply(path string, d *cgroupData) error {
+	return join(path, d.pid)
 }
 
 func (s *CpuacctGroup) Set(path string, cgroup *configs.Cgroup) error {
 	return nil
 }
 
-func (s *CpuacctGroup) Remove(d *cgroupData) error {
-	return removePath(d.path("cpuacct"))
-}
-
 func (s *CpuacctGroup) GetStats(path string, stats *cgroups.Stats) error {
+	if !cgroups.PathExists(path) {
+		return nil
+	}
 	userModeUsage, kernelModeUsage, err := getCpuUsageBreakdown(path)
 	if err != nil {
 		return err