providers/darwin/load_average_darwin.go (18 lines of code) (raw):
// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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.
//go:build amd64 || arm64
package darwin
import (
"unsafe"
"golang.org/x/sys/unix"
)
const loadAverage = "vm.loadavg"
type loadAvg struct {
load [3]uint32
scale int
}
func getLoadAverage() (*loadAvg, error) {
data, err := unix.SysctlRaw(loadAverage)
if err != nil {
return nil, err
}
load := *(*loadAvg)(unsafe.Pointer((&data[0])))
return &load, nil
}