diff --git a/sysinfo/sysinfo.go b/sysinfo/sysinfo.go
index e679aab..e6d5d84 100644
--- a/sysinfo/sysinfo.go
+++ b/sysinfo/sysinfo.go
@@ -15,6 +15,7 @@ import (
 type SysInfo struct {
 	MemoryLimit            bool
 	SwapLimit              bool
+	CpuCfsPeriod           bool
 	CpuCfsQuota            bool
 	IPv4ForwardingDisabled bool
 	AppArmor               bool
@@ -50,8 +51,15 @@ func New(quiet bool) *SysInfo {
 			logrus.Warnf("%v", err)
 		}
 	} else {
-		_, err1 := ioutil.ReadFile(path.Join(cgroupCpuMountpoint, "cpu.cfs_quota_us"))
-		sysInfo.CpuCfsQuota = err1 == nil
+		_, err := ioutil.ReadFile(path.Join(cgroupCpuMountpoint, "cpu.cfs_period_us"))
+		logrus.Warnf("%s", cgroupCpuMountpoint)
+		sysInfo.CpuCfsPeriod = err == nil
+		if !sysInfo.CpuCfsPeriod && !quiet {
+			logrus.Warnf("WARING: Your kernel does not support cgroup cfs period")
+		}
+		_, err = ioutil.ReadFile(path.Join(cgroupCpuMountpoint, "cpu.cfs_quota_us"))
+		logrus.Warnf("%s", cgroupCpuMountpoint)
+		sysInfo.CpuCfsQuota = err == nil
 		if !sysInfo.CpuCfsQuota && !quiet {
 			logrus.Warn("Your kernel does not support cgroup cfs quotas")
 		}