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php获取linux服务器CPU、内存、硬盘使用率的实现代码

程序员文章站 2022-04-08 21:58:06
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  1. define("MONITORED_IP", "172.16.0.191"); //被监控的服务器IP地址 也就是本机地址
  2. define("DB_SERVER", "172.16.7.2"); //存放数据的服务器IP地址
  3. define("DB_USER", "root");
  4. define("DB_PWD","111111");
  5. define("DB_NMAE","performance");
  6. class MyConnect{
  7. public function connect($db_server,$db_user,$db_pwd,$db_name){
  8. $conn = mysql_connect($db_server,$db_user,$db_pwd);
  9. if (!$conn){
  10. die('连接数据库失败: ' . mysql_error());
  11. }
  12. $flag = mysql_select_db($db_name,$conn);
  13. if(!$flag){
  14. echo "

    数据库连接出错!

    ";exit();
  15. }else{
  16. mysql_query("SET NAMES UTF8");
  17. }
  18. }
  19. }
  20. ?>
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2、获取服务器性能数据的文件 get_used_status.php

  1. /**

  2. * 获取服务器性能CPU、内存、硬盘等使用率
  3. * Edit bbs.it-home.org
  4. */
  5. /*连接数据 begin*/
  6. include("conn.php");
  7. $obj_MyConnect = new MyConnect();
  8. $obj_MyConnect -> connect(DB_SERVER,DB_USER,DB_PWD,DB_NMAE);
  9. /*连接数据 end*/
  10. function get_used_status(){
  11. $fp = popen('top -b -n 2 | grep -E "^(Cpu|Mem|Tasks)"',"r");//获取某一时刻系统cpu和内存使用情况
  12. $rs = "";
  13. while(!feof($fp)){
  14. $rs .= fread($fp,1024);
  15. }
  16. pclose($fp);
  17. $sys_info = explode("\n",$rs);
  18. $tast_info = explode(",",$sys_info[3]);//进程 数组

  19. $cpu_info = explode(",",$sys_info[4]); //CPU占有量 数组
  20. $mem_info = explode(",",$sys_info[5]); //内存占有量 数组
  21. //正在运行的进程数

  22. $tast_running = trim(trim($tast_info[1],'running'));
  23. //CPU占有量
  24. $cpu_usage = trim(trim($cpu_info[0],'Cpu(s): '),'%us'); //百分比
  25. //内存占有量
  26. $mem_total = trim(trim($mem_info[0],'Mem: '),'k total');
  27. $mem_used = trim($mem_info[1],'k used');
  28. $mem_usage = round(100*intval($mem_used)/intval($mem_total),2); //百分比
  29. /*硬盘使用率 begin*/

  30. $fp = popen('df -lh | grep -E "^(/)"',"r");
  31. $rs = fread($fp,1024);
  32. pclose($fp);
  33. $rs = preg_replace("/\s{2,}/",' ',$rs); //把多个空格换成 “_”
  34. $hd = explode(" ",$rs);
  35. $hd_avail = trim($hd[3],'G'); //磁盘可用空间大小 单位G
  36. $hd_usage = trim($hd[4],'%'); //挂载点 百分比
  37. //print_r($hd);
  38. /*硬盘使用率 end*/
  39. //检测时间
  40. $fp = popen("date +\"%Y-%m-%d %H:%M\"","r");
  41. $rs = fread($fp,1024);
  42. pclose($fp);
  43. $detection_time = trim($rs);
  44. /*获取IP地址 begin*/
  45. /*
  46. $fp = popen('ifconfig eth0 | grep -E "(inet addr)"','r');
  47. $rs = fread($fp,1024);
  48. pclose($fp);
  49. $rs = preg_replace("/\s{2,}/",' ',trim($rs)); //把多个空格换成 “_”
  50. $rs = explode(" ",$rs);
  51. $ip = trim($rs[1],'addr:');
  52. */
  53. /*获取IP地址 end*/
  54. /*
  55. $file_name = "/tmp/data.txt"; // 绝对路径: homedata.dat
  56. $file_pointer = fopen($file_name, "a+"); // "w"是一种模式,详见后面
  57. fwrite($file_pointer,$ip); // 先把文件剪切为0字节大小, 然后写入
  58. fclose($file_pointer); // 结束
  59. */
  60. return array('cpu_usage'=>$cpu_usage,'mem_usage'=>$mem_usage,'hd_avail'=>$hd_avail,'hd_usage'=>$hd_usage,'tast_running'=>$tast_running,'detection_time'=>$detection_time);
  61. }
  62. //echo date("Y-m-d H:i:s",time())."
    ";
  63. $status=get_used_status();
  64. $sql = "insert into performance(ip,cpu_usage,mem_usage,hd_avail,hd_usage,tast_running,detection_time) ";
  65. $sql .= " value('".MONITORED_IP."','".$status['cpu_usage']."','".$status['mem_usage']."','".$status['hd_avail']."','".$status['hd_usage']."','".$status['tast_running']."','".$status['detection_time']."')";
  66. $query = mysql_query($sql) or die("SQL 语句执行失败!");
  67. unset($status);
  68. //echo date("Y-m-d H:i:s",time())."
    ";
  69. ?>
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