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.

**/

​

#include "common.h"

#include "sysinfo.h"

#include "log.h"

​

static u_int    pagesize = 0;

​

#define ZBX_SYSCTLBYNAME(name, value)                                   \

                                                    \

    len = sizeof(value);                                        \

    if (0 != sysctlbyname(name, &value, &len, NULL, 0))                     \

    {                                               \

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

                name, zbx_strerror(errno)));                        \

        return SYSINFO_RET_FAIL;                                \

    }

​

static int  VM_MEMORY_TOTAL(AGENT_RESULT *result)

{

    unsigned long   totalbytes;

    size_t      len;

​

    ZBX_SYSCTLBYNAME("hw.physmem", totalbytes);

​

    SET_UI64_RESULT(result, (zbx_uint64_t)totalbytes);

​

    return SYSINFO_RET_OK;

}

​

static int  VM_MEMORY_ACTIVE(AGENT_RESULT *result)

{

    u_int   activepages;

    size_t  len;

​

    ZBX_SYSCTLBYNAME("vm.stats.vm.v_active_count", activepages);

​

    SET_UI64_RESULT(result, (zbx_uint64_t)activepages * pagesize);

​

    return SYSINFO_RET_OK;

}

​

static int  VM_MEMORY_INACTIVE(AGENT_RESULT *result)

{

    u_int   inactivepages;

    size_t  len;

​

    ZBX_SYSCTLBYNAME("vm.stats.vm.v_inactive_count", inactivepages);

​

    SET_UI64_RESULT(result, (zbx_uint64_t)inactivepages * pagesize);

​

    return SYSINFO_RET_OK;

}

​

static int  VM_MEMORY_WIRED(AGENT_RESULT *result)

{

    u_int   wiredpages;

    size_t  len;

​

    ZBX_SYSCTLBYNAME("vm.stats.vm.v_wire_count", wiredpages);

​

    SET_UI64_RESULT(result, (zbx_uint64_t)wiredpages * pagesize);

​

    return SYSINFO_RET_OK;

}

​

static int  VM_MEMORY_CACHED(AGENT_RESULT *result)

{

    u_int   cachedpages;

    size_t  len;

​

    ZBX_SYSCTLBYNAME("vm.stats.vm.v_cache_count", cachedpages);

​

    SET_UI64_RESULT(result, (zbx_uint64_t)cachedpages * pagesize);