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 "../common/common.h"

​

static int  VM_MEMORY_TOTAL(AGENT_RESULT *result)

{

    return EXECUTE_INT("vmstat -s | awk 'BEGIN{pages=0}{gsub(\"[()]\",\"\");if($4==\"pagesize\")pgsize=($6);if(($2==\"inactive\"||$2==\"active\"||$2==\"wired\")&&$3==\"pages\")pages+=$1}END{printf (pages*pgsize)}'", result);

}

​

static int  VM_MEMORY_FREE(AGENT_RESULT *result)

{

    return EXECUTE_INT("vmstat -s | awk '{gsub(\"[()]\",\"\");if($4==\"pagesize\")pgsize=($6);if($2==\"free\"&&$3==\"pages\")pages=($1)}END{printf (pages*pgsize)}'", result);

}

​

static int  VM_MEMORY_USED(AGENT_RESULT *result)

{

    int     ret = SYSINFO_RET_FAIL;

    AGENT_RESULT    result_tmp;

    zbx_uint64_t    free, total;

​

    init_result(&result_tmp);

​

    if (SYSINFO_RET_OK != VM_MEMORY_FREE(&result_tmp))

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL, result_tmp.msg));

        goto clean;

    }

​

    free = result_tmp.ui64;

​

    if (SYSINFO_RET_OK != VM_MEMORY_TOTAL(&result_tmp))

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL, result_tmp.msg));

        goto clean;

    }

​

    total = result_tmp.ui64;

​

    SET_UI64_RESULT(result, total - free);

​

    ret = SYSINFO_RET_OK;

clean:

    free_result(&result_tmp);

​