php取得linux伺服器CPU、記憶體、硬碟使用率的實作程式碼

define("MONITORED_IP", "172.16.0.191"); //被監控的伺服器🎜> define("DB_SERVER", "172.16.7.2"); //存放資料的伺服器IP位址
define("DB_USER", "root");
define("DB_PWD","111111");
define("DB_PWD","111111");
define("DB_NMAE","performance");

class MyConnect{
 public function connect($db_server,$db_user,$db_pwd,$db_name){

 $connn = mysql_connect($db_server,$db_user,$db_pwd);
 if (!$conn){
 die('連線資料庫失敗: ' . mysql_error());
 }
 $flag = mysql_select_db($db_name,$conn);
 if(!$flag){
 echo "資料庫連線出錯!";exit();
 } else{
 mysql_query("SET NAMES UTF8");
 }
 }
}
?>

複製程式碼2、取得伺服器效能資料的檔案get_used_status.php

/**
 * 取得伺服器效能CPU、記憶體、硬碟等使用率
 * Edit bbs.it-home.org
*/
 /*連線資料*/
 include("conn.php");
 $obj_MyConnect = new MyConnect();
 $obj_MyConnect -> connect(DB_SERVER,DB_USER,DB_PWD,DB_NMAE);
 /*連接資料end>/

 function get_used_status(){
 $fp = popen('top -b -n 2 | grep -E "^(Cpu|Mem|Tasks)"',"r");//取得某一時刻系統cpu與記憶體使用量
 $rs = "";
 while(!feof($fp)){
 $rs .= fread($fp,1024);
 }
 pclose($fp);
 $sys_info = explode("n",$rs);
 $tast_info = explode(",",$sys_info[3]); //行程數組
 $cpu_info = explode(",",$sys_info[4]); //CPU佔有量數組
 $mem_info = explode(",",$sys_info[5]); //記憶體佔有量數組
 //正在運行的進程數
 $tast_running = trim(trim($tast_info[1],'running'));


 //CPU佔有量
 $cpu_usage = trim(trim($cpu_info[0],'Cpu(s): '),'%us'); //百分比

 //記憶體佔有量
 $mem_total = trim(trim($mem_info[0],'Mem: '),'k total');
 $mem_used = trim($mem_info[1],'k used');
 $mem_usage = round(100*intval($mem_used)/intval($mem_total),2); //百分比

 /*硬碟使用率begin*/
 $fp = popen('df -lh | grep -E "^(/)"',"r");
 $rs = fread($fp,1024);
 pclose($fp) ;
 $rs = preg_replace("/s{2,}/",' ',$rs); //把多個空格換成「_」
 $hd = explode(" ",$rs );
 $hd_avail = trim($hd[3],'G'); //磁碟可用空間大小單位G
 $hd_usage = trim($hd[4],'%'); //掛載點百分比
 //print_r($hd);
 /*硬碟使用率end*/

 //偵測時間
 $fp = popen("date +"%Y -%m-%d %H:%M"","r");
 $rs = fread($fp,1024);
 pclose($fp);
 $detection_time = trim( $rs);

 /*取得IP位址begin*/
 /*
 $fp = popen('ifconfig eth0 | grep -E "(inet addr)"','r') ;
 $rs = fread($fp,1024);
 pclose($fp);
 $rs = preg_replace("/s{2,}/",' ',trim($rs) ); //把多個空格換成「_」
 $rs = explode(" ",$rs);
 $ip = trim($rs[1],'addr:');
 */
 /*取得IP位址end*/
 /*
 $file_name = "/tmp/data.txt"; // 絕對路徑: homedata.dat
 $file_pointer = fopen( $file_name, "a+"); // "w"是一種模式，詳見後面
 fwrite($file_pointer,$ip); // 先把檔案剪下為0位元組大小， 然後寫入
 fclose($file_pointer); // 結束
 */

 return array('cpu_usage'=>$cpu_usage,'mem_usage'=>$mem_usage,'hd_avail'pu_usage,'mem_usage'=>$mem_usage,'hd_avail'pu_usage, avail' hd_usage'=>$hd_usage,'tast_running'=>$tast_running,'detection_time'=>$detection_time);
 }

 //echo date("Y-m-d H:i:s",time(timei:s",time(time ))."";

 $status=get_used_status();

 $sql = "insert into performance(ip,cpu_usage,mem_usage,hd_avail,hd_usage,dad_running) ";
 $sql .= " value('".MONITORED_IP."','".$status['cpu_usage']."','".$status['mem_usage']."','" .$status['hd_avail']."','".$status['hd_usage']."','".$status['tast_running']."','".$status['detection_time'] ."')";
 $query = mysql_query($sql) or die("SQL 語句執行失敗!");
 unset($status);

 //echo date(" Y-m-d H:i:s",time())."";
?>