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 Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#include "zbxsysinfo.h"

#include "../sysinfo.h"

​

static int      mib[] = {CTL_VM, VM_UVMEXP};

static size_t       len;

static struct uvmexp    uvm;

​

#define ZBX_SYSCTL(value)                                       \

                                                    \

    len = sizeof(value);                                        \

    if (0 != sysctl(mib, 2, &value, &len, NULL, 0))                         \

    {                                               \

        SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot obtain system information: %s",   \

                zbx_strerror(errno)));                          \

        return SYSINFO_RET_FAIL;                                \

    }

​

static int  vm_memory_total(AGENT_RESULT *result)

{

    ZBX_SYSCTL(uvm);

​

    SET_UI64_RESULT(result, (zbx_uint64_t)uvm.npages * uvm.pagesize);

​

    return SYSINFO_RET_OK;

}

​

static int  vm_memory_active(AGENT_RESULT *result)

{

    ZBX_SYSCTL(uvm);

​

    SET_UI64_RESULT(result, (zbx_uint64_t)uvm.active * uvm.pagesize);

​

    return SYSINFO_RET_OK;

}

​

static int  vm_memory_inactive(AGENT_RESULT *result)

{

    ZBX_SYSCTL(uvm);

​

    SET_UI64_RESULT(result, (zbx_uint64_t)uvm.inactive * uvm.pagesize);

​

    return SYSINFO_RET_OK;

}

​

static int  vm_memory_wired(AGENT_RESULT *result)

{

    ZBX_SYSCTL(uvm);

​

    SET_UI64_RESULT(result, (zbx_uint64_t)uvm.wired * uvm.pagesize);