pabx-app/admin/monitor2.php

<?php
$arq = file('/proc/cpuinfo');
for ($i = 0; $i < sizeof($arq); $i++) {
    if (substr($arq[$i], 0, 9) == 'vendor_id') {
        $fabricante = trim(substr($arq[$i], 12, 1000));
    }
    if (substr($arq[$i], 0, 10) == 'model name') {
        $modelo = (substr($arq[$i], 12, 1000));
    }
    if (substr($arq[$i], 0, 7) == 'cpu MHz') {
        $mhz = (substr($arq[$i], 11, 1000)) . 'Mhz';
    }
    if (substr($arq[$i], 0, 10) == 'cache size') {
        $cache = trim(substr($arq[$i], 12, 1000));
    }
}

function processamento_cpu($cpu) {
    $arq = file('/proc/stat');
    for ($i = 0; $i < sizeof($arq); $i++) {
        if (substr($arq[$i], 0, 4) == $cpu) {
            $parts = explode(" ", preg_replace("!cpu +!", "", $arq[$i]));

            $return = array();
            $return['user'] = $parts[0];
            $return['nice'] = $parts[1];
            $return['system'] = $parts[2];
            $return['idle'] = $parts[3];
            return $return;
        }
    }
}

function getCpuUsage($cpu) {
    $time1 = processamento_cpu($cpu) or die("getCpuUsage(): couldn't access STAT path or STAT file invalid\n");
    sleep(1);
    $time2 = processamento_cpu($cpu) or die("getCpuUsage(): couldn't access STAT path or STAT file invalid\n");

    $delta = array();

    foreach ($time1 as $k => $v) {
        $delta[$k] = $time2[$k] - $v;
    }

    $deltaTotal = array_sum($delta);
    $percentages = array();

    foreach ($delta as $k => $v) {

        if ($deltaTotal == 0) {
            $deltaTotal = 1;
        }
        $percentages[$k] = round($v / $deltaTotal * 100, 2);
    }
    return $percentages;
}
?> 



<style type="text/css">
    <!--
    body {
        margin-left: 0px;
        margin-top: 0px;
        margin-right: 0px;
        margin-bottom: 0px;
    }
    -->
</style>

<form name="form1" method="post" action="admin/">
    <table width="100%" border="1" cellpadding="0" cellspacing="0" bordercolor="#990000">
        <tr class="cabecalho">
            <td colspan="3"><div align="center">PROCESSAMENTO</div></td>
        </tr>
        <tr class="cabecalho2">
            <td colspan="3"><div align="center">DADOS DO PROCESSADOR:</div></td>
        </tr>
        <tr bordercolor="#f4f4f4" bgcolor="#f4f4f4">
            <td width="11%" class="dados"><div align="right">FABRICANTE:</div></td>
            <td colspan="2" class="dados"><?php echo $fabricante; ?></td>
        </tr>
        <tr bordercolor="#f4f4f4" bgcolor="#f4f4f4">
            <td class="dados"><div align="right">MODELO:</div></td>
            <td colspan="2" class="dados"><?php echo $modelo; ?></td>
        </tr>
        <tr bordercolor="#f4f4f4" bgcolor="#f4f4f4">
            <td class="dados"><div align="right">MHZ:</div></td>
            <td colspan="2" class="dados"><?php echo $mhz; ?></td>
        </tr>
        <tr bordercolor="#f4f4f4" bgcolor="#f4f4f4">
            <td class="dados"><div align="right">CACHE:</div></td>
            <td colspan="2" class="dados"><?php echo $cache; ?></td>
        </tr>
        <tr class="cabecalho2">
            <td colspan="3"><div align="center">USO DO CPU: </div></td>
        </tr>
        <tr class="cabecalho2">
            <td><div align="center">CPU:</div></td>
            <td width="10%"><div align="center">% USO </div></td>
            <td width="79%">&nbsp;</td>
        </tr>
        <?php
        $arq = file('/proc/stat');
        for ($i = 0; $i < sizeof($arq); $i++) {
            if (substr($arq[$i], 0, 3) == 'cpu') {
                ?>
                <tr bgcolor="#f4f4f4">
                    <td><div align="center">
                            <input name="nmcpu<?php echo $i; ?>" type="text" class="monitoracao" id="nmcpu<?php echo $i; ?>" size="15" maxlength="10">
                        </div></td>
                    <td><div align="center">
                            <input name="por<?php echo $i; ?>" type="text" class="monitoracao" id="por<?php echo $i; ?>" size="15" maxlength="10">
                        </div></td>
                    <td><img src="bar.php?rating=" border="0" name="img<?php echo $i; ?>"></td>
                </tr>
            <?php
            }
        }
        ?>	
    </table>
</form>
<?php
//BLOCO DE LOOP QUE PEGA DADOS EM TEMPO REAL
while (true) {
    $arq = file('/proc/stat');
    $qt_cpu = 0;
    for ($i = 0; $i < sizeof($arq); $i++) {
        if (substr($arq[$i], 0, 3) == 'cpu') {
            $qt_cpu++;
            $cpu = getCpuUsage(substr($arq[$i], 0, 4));
            $cpulast = 100 - $cpu['idle'];
            $cpu_nome = trim(substr($arq[$i], 0, 4));
            $cpu_por = $cpulast;
            echo "<script>javascript:document.form1.nmcpu$i.value='" . $cpu_nome . "';</script>";
            echo "<script>javascript:document.form1.por$i.value='" . $cpulast . "'+'%';</script>";
            echo "<script>javascript:document.img$i.src='bar.php?rating=$cpulast';</script>";
        }
    }
    flush();
    sleep(3);
}
?>