You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.6 KiB
56 lines
1.6 KiB
// Copyright 2015 The Prometheus Authors
|
|
// 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.
|
|
|
|
// +build !noloadavg
|
|
// +build !windows
|
|
|
|
package collector
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/common/log"
|
|
)
|
|
|
|
type loadavgCollector struct {
|
|
metric []typedDesc
|
|
}
|
|
|
|
func init() {
|
|
Factories["loadavg"] = NewLoadavgCollector
|
|
}
|
|
|
|
// Take a prometheus registry and return a new Collector exposing load average.
|
|
func NewLoadavgCollector() (Collector, error) {
|
|
return &loadavgCollector{
|
|
metric: []typedDesc{
|
|
{prometheus.NewDesc(Namespace+"_load1", "1m load average.", nil, nil), prometheus.GaugeValue},
|
|
{prometheus.NewDesc(Namespace+"_load5", "5m load average.", nil, nil), prometheus.GaugeValue},
|
|
{prometheus.NewDesc(Namespace+"_load15", "15m load average.", nil, nil), prometheus.GaugeValue},
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
func (c *loadavgCollector) Update(ch chan<- prometheus.Metric) (err error) {
|
|
loads, err := getLoad()
|
|
if err != nil {
|
|
return fmt.Errorf("couldn't get load: %s", err)
|
|
}
|
|
for i, load := range loads {
|
|
log.Debugf("return load %d: %f", i, load)
|
|
ch <- c.metric[i].mustNewConstMetric(load)
|
|
}
|
|
return err
|
|
}
|