intelrdt: Add Cache Monitoring Technology stats

Signed-off-by: Paweł Szulik <pawel.szulik@intel.com>

libcontainer/intelrdt/cmt.go

@@ -0,0 +1,22 @@
+package intelrdt
+
+var (
+	cmtEnabled bool
+)
+
+// Check if Intel RDT/CMT is enabled.
+func IsCMTEnabled() bool {
+	return cmtEnabled
+}
+
+func getCMTNumaNodeStats(numaPath string) (*CMTNumaNodeStats, error) {
+	stats := &CMTNumaNodeStats{}
+
+	llcOccupancy, err := getIntelRdtParamUint(numaPath, "llc_occupancy")
+	if err != nil {
+		return nil, err
+	}
+	stats.LLCOccupancy = llcOccupancy
+
+	return stats, nil
+}