示例#1
0
文件: cpuload.go 项目: 40a/bootkube
func New() (CpuLoadReader, error) {
	reader, err := netlink.New()
	if err != nil {
		return nil, fmt.Errorf("failed to create a netlink based cpuload reader: %v", err)
	}
	glog.V(3).Info("Using a netlink-based load reader")
	return reader, nil
}
示例#2
0
func New() (CpuLoadReader, error) {
	// First try to create a scheddebug based load reader.
	schedReader, schedErr := scheddebug.New()
	if schedErr == nil {
		glog.Info("Using a sched debug based load reader")
		return schedReader, nil
	}
	glog.V(1).Infof("failed to create a scheddebug-based cpu load reader: %v", schedErr)
	// netlink gives us more data than scheddebug, but it doesn't work inside network namespaces. It also needs to be hierarchical.
	reader, err := netlink.New()
	if err != nil {
		return nil, fmt.Errorf("failed to create any cpu load reader - netlink based (%v), scheddebug based (%v)", err, schedErr)
	}
	glog.Info("Using a netlink-based load reader")
	return reader, nil
}
示例#3
0
func main() {
	n, err := netlink.New()
	if err != nil {
		log.Printf("Failed to create cpu load util: %s", err)
		return
	}
	defer n.Stop()

	paths := []string{"/sys/fs/cgroup/cpu", "/sys/fs/cgroup/cpu/docker"}
	names := []string{"/", "/docker"}
	for i, path := range paths {
		stats, err := n.GetCpuLoad(names[i], path)
		if err != nil {
			log.Printf("Error getting cpu load for %q: %s", path, err)
		}
		log.Printf("Task load for %s: %+v", path, stats)
	}
}