Zabbix

/*

** Zabbix

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

package cpu

​

import (

    "errors"

    "sync"

    "time"

    "unsafe"

​

    "golang.zabbix.com/agent2/pkg/win32"

    "golang.zabbix.com/sdk/errs"

    "golang.zabbix.com/sdk/plugin"

    "golang.zabbix.com/sdk/zbxerr"

)

​

const (

    modeParam = 2

    cpuParam  = 1

    noParam   = 0

​

    defaultIndex = 60

)

​

// Plugin -

type Plugin struct {

    plugin.Base

    cpus      []*cpuUnit

    collector *pdhCollector

    cpusMu    sync.Mutex

    stop      chan struct{}

}

​

func init() {

    impl.collector = newPdhCollector(&impl)

​

    err := plugin.RegisterMetrics(

        &impl, pluginName,

        "system.cpu.discovery", "List of detected CPUs/CPU cores, used for low-level discovery.",

        "system.cpu.load", "CPU load.",

        "system.cpu.num", "Number of CPUs.",

        "system.cpu.util", "CPU utilization percentage.",

    )

    if err != nil {

        panic(errs.Wrap(err, "failed to register metrics"))

    }