mirror of https://github.com/k3s-io/k3s
47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
// Copyright 2015 Google Inc. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package cpuload
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
info "github.com/google/cadvisor/info/v1"
|
|
|
|
"github.com/google/cadvisor/utils/cpuload/netlink"
|
|
"k8s.io/klog"
|
|
)
|
|
|
|
type CpuLoadReader interface {
|
|
// Start the reader.
|
|
Start() error
|
|
|
|
// Stop the reader and clean up internal state.
|
|
Stop()
|
|
|
|
// Retrieve Cpu load for a given group.
|
|
// name is the full hierarchical name of the container.
|
|
// Path is an absolute filesystem path for a container under CPU cgroup hierarchy.
|
|
GetCpuLoad(name string, path string) (info.LoadStats, error)
|
|
}
|
|
|
|
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)
|
|
}
|
|
klog.V(4).Info("Using a netlink-based load reader")
|
|
return reader, nil
|
|
}
|