<?php
  header("Content-type: text/html;charset=utf-8");
  $f=sys_getloadavg();
  if(0<$f[0] && $f[0]<20) {
  echo "<font color='green' size='16'>正常<br>1min:$f[0]<br>5min:$f[1]<br>15min:$f[2]</font>";
  }
  elseif(20<=$f[0] && $f[0]<=30){
  echo "<font color='yellow' size='16'>警告<br>1min:$f[0]<br>5min:$f[1]<br>15min:$f[2]</font>";
  }elseif(30<$f[0]) {
  echo "<font color='red' size='16'>报警<br>1min:$f[0]<br>5min:$f[1]<br>15min:$f[2]</font>";
  }else{
  echo '未知错误';
  }
  ?>