vendor: cadvisor v0.39.0

Main upgrades:
- github.com/opencontainers/runc v1.0.0-rc93
- github.com/containerd/containerd v1.4.4
- github.com/docker/docker v20.10.2
- github.com/mrunalp/fileutils v0.5.0
- github.com/opencontainers/selinux v1.8.0
- github.com/cilium/ebpf v0.2.0

vendor/github.com/opencontainers/runc/libcontainer/intelrdt/cmt.go

@@ -6,17 +6,20 @@ var (
 
 // Check if Intel RDT/CMT is enabled.
 func IsCMTEnabled() bool {
+	featuresInit()
 	return cmtEnabled
 }
 
 func getCMTNumaNodeStats(numaPath string) (*CMTNumaNodeStats, error) {
 	stats := &CMTNumaNodeStats{}
 
-	llcOccupancy, err := getIntelRdtParamUint(numaPath, "llc_occupancy")
-	if err != nil {
-		return nil, err
+	if enabledMonFeatures.llcOccupancy {
+		llcOccupancy, err := getIntelRdtParamUint(numaPath, "llc_occupancy")
+		if err != nil {
+			return nil, err
+		}
+		stats.LLCOccupancy = llcOccupancy
 	}
-	stats.LLCOccupancy = llcOccupancy
 
 	return stats, nil
 }