mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-11-09 23:24:09 -08:00
35 lines
1 KiB
Go
35 lines
1 KiB
Go
// 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 darwin dragonfly freebsd netbsd openbsd solaris
|
|
// +build !noloadavg
|
|
|
|
package collector
|
|
|
|
import (
|
|
"errors"
|
|
)
|
|
|
|
// #include <stdlib.h>
|
|
import "C"
|
|
|
|
func getLoad() ([]float64, error) {
|
|
var loadavg [3]C.double
|
|
samples := C.getloadavg(&loadavg[0], 3)
|
|
if samples > 0 {
|
|
return []float64{float64(loadavg[0]), float64(loadavg[1]), float64(loadavg[2])}, nil
|
|
} else {
|
|
return nil, errors.New("failed to get load average")
|
|
}
|
|
}
|