github.com/google/cadvisor@v0.49.1/utils/cpuload/netlink/example/example.go (about)

     1  // Copyright 2015 Google Inc. All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package main
    16  
    17  import (
    18  	"log"
    19  
    20  	"github.com/google/cadvisor/utils/cpuload/netlink"
    21  )
    22  
    23  func main() {
    24  	n, err := netlink.New()
    25  	if err != nil {
    26  		log.Printf("Failed to create cpu load util: %s", err)
    27  		return
    28  	}
    29  	defer n.Stop()
    30  
    31  	paths := []string{"/sys/fs/cgroup/cpu", "/sys/fs/cgroup/cpu/docker"}
    32  	names := []string{"/", "/docker"}
    33  	for i, path := range paths {
    34  		stats, err := n.GetCpuLoad(names[i], path)
    35  		if err != nil {
    36  			log.Printf("Error getting cpu load for %q: %s", path, err)
    37  		}
    38  		log.Printf("Task load for %s: %+v", path, stats)
    39  	}
    40  }