PHP to get Linux server CPU, memory, hard disk usage implementation code

Define ("Monitored_ip", "172.16.0.191"); The server IP address that is being monitored is the native address Define ("Db_server", "172.16.7.2"); The server IP address where the data resides Define ("Db_user", "root"); Define ("Db_pwd", "111111"); Define ("Db_nmae", "performance"); Class myconnect{ Public function Connect ($db _server, $db _user, $db _pwd, $db _name) { $conn = mysql_connect ($db _server, $db _user, $db _pwd); if (! $conn) { Die (' Connection database failed: '. mysql_error ()); } $flag = mysql_select_db ($db _name, $conn); if (! $flag) { echo " Database connection Error! "; exit (); }else{ mysql_query ("SET NAMES UTF8"); } } } ?> Copy Code 2. Get the server performance data file get_used_status.php /** * Get server performance CPU, memory, hard disk usage rate * Edit bbs.it-home.org */ /* Connect Data begin*/ Include ("conn.php"); $obj _myconnect = new Myconnect (); $obj _myconnect, connect (db_server,db_user,db_pwd,db_nmae); /* Connect Data end*/ function Get_used_status () { $fp = Popen (' top-b-N 2 | grep-e "^ (cpu| mem| Tasks) "'," "R");//Get a moment of system CPU and memory usage $rs = ""; while (!feof ($fp)) { $rs. = Fread ($fp, 1024); } Pclose ($FP); $sys _info = explode ("\ n", $rs); $tast _info = Explode (",", $sys _info[3]);//process array $cpu _info = Explode (",", $sys _info[4]); Array of CPU occupancy $mem _info = Explode (",", $sys _info[5]); Memory Occupancy Array Number of processes that are running $tast _running = Trim (Trim ($tast _info[1], ' running ')); CPU occupancy $cpu _usage = Trim (Trim ($cpu _info[0], ' CPU (s): '), '%us '); Percentage Memory occupancy $mem _total = Trim (Trim ($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); Percentage /* Hard Drive utilization begin*/ $fp = Popen (' df-lh | grep-e "^ (/)" ', "R"); $rs = Fread ($fp, 1024); Pclose ($FP); $rs = Preg_replace ("/\s{2,}/", "', $rs); Replace multiple spaces with "_" $HD = Explode ("", $rs); $hd _avail = Trim ($HD [3], ' G '); Disk free space Size Unit g $hd _usage = Trim ($HD [4], '% '); mount point Percentage Print_r ($HD); /* Hard Drive utilization end*/ Detection time $fp = Popen ("date +\"%y-%m-%d%h:%m\ "", "R"); $rs = Fread ($fp, 1024); Pclose ($FP); $detection _time = Trim ($RS); /* Get IP address begin*/ /* $fp = Popen (' ifconfig eth0 | grep-e "(inet addr)" ', ' r '); $rs = Fread ($fp, 1024); Pclose ($FP); $rs = Preg_replace ("/\s{2,}/", "", Trim ($rs)); Replace multiple spaces with "_" $rs = Explode ("", $rs); $ip = Trim ($rs [1], ' addr: '); */ /* Get IP address end*/ /* $file _name = "/tmp/data.txt"; Absolute path: Homedata.dat $file _pointer = fopen ($file _name, "A +"); "W" is a pattern, see later Fwrite ($file _pointer, $IP); First cut the file to a size of 0 bytes, then write Fclose ($file _pointer); End */ The return array (' cpu_usage ' = = $cpu _usage, ' mem_usage ' and ' _usage ', ' hd_avail ' = $hd _avail, ' hd_usage ' = $hd _ Usage, ' tast_running ' = $tast _running, ' detection_time ' = $detection _time); } echo Date ("Y-m-d h:i:s", Time ()). " "; $status =get_used_status (); $sql = "INSERT into performance (Ip,cpu_usage,mem_usage,hd_avail,hd_usage,tast_running,detection_time)"; $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 statement execution failed!"); Unset ($status); echo Date ("Y-m-d h:i:s", Time ()). " "; ?> Copy Code

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