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<? | |
/* ===================================================================================================== | |
/* !SERVER TOP */ | |
/* | |
/* Read a server's TOP output (crontab: `top -d 99 -n 1 -b > /var/www/server_top.txt`) | |
/* returns serialized array of $cpu, $memory, $load, $time, $hdd | |
/* Your TOP output may be different. See $refex_* | |
/* | |
/* By davidsword.ca | |
/* | |
/* ---------------------------------------------------------------------------------------------------*/ | |
/* ===================================================================================================== | |
/* !SETTINGS */ | |
/* ---------------------------------------------------------------------------------------------------*/ | |
# error_reporting(E_ALL); | |
# ini_set('display_errors', 1); | |
# ini_set('display_startup_errors',1); | |
date_default_timezone_set('America/Vancouver'); | |
$serverTopFile = '/var/www/server_top.txt'; | |
$regex_cpu = '/(\d+?.?\d) us,/'; | |
$regex_mem = '/Mem:[ \t]+(\d+)[ \t]+total,[ \t]+(\d+)[ \t]+used,[ \t]+(\d+)[ \t]+free,/'; | |
$regex_load = '/load average: (\d+.\d{1,2}), (\d+.\d{1,2}), (\d+.\d{1,2})/'; | |
$disk = '/'; | |
// Alright, lets go | |
$top = file_get_contents($serverTopFile); | |
/* ===================================================================================================== | |
/* !CPU STATS */ | |
/* ---------------------------------------------------------------------------------------------------*/ | |
$cpuAdder = 0; | |
@preg_match_all($regex_cpu, $top, $cpus); | |
foreach ($cpus[1] as $foundCPU) | |
$cpuAdder += floatval($foundCPU); | |
$cpu = round($cpuAdder / count($cpus[1]),2); | |
/* ===================================================================================================== | |
/* !LOAD TIME STATS */ | |
/* ---------------------------------------------------------------------------------------------------*/ | |
preg_match($regex_load, $top, $load_times); | |
$load = ($load_times[1]+$load_times[2]+$load_times[3])/3; | |
$load = round($load,2); | |
/* ===================================================================================================== | |
/* !MEMORY */ | |
/* ---------------------------------------------------------------------------------------------------*/ | |
@preg_match($regex_mem, $top, $memory_stats); | |
$memory_total = $memory_stats[1]; | |
$memory_used = $memory_stats[2]; | |
$memory_free = $memory_stats[3]; | |
$memory = @floor($memory_used/$memory_total*100); | |
/* ===================================================================================================== | |
/* !TOP TIME */ | |
/* ---------------------------------------------------------------------------------------------------*/ | |
@preg_match('/[0-9]{1,2}:[0-9]{1,2}:[0-9]{1,2}/', $top, $time); // | |
/* ===================================================================================================== | |
/* !HDD */ | |
/* ---------------------------------------------------------------------------------------------------*/ | |
$hdd = 100 - round((toGB(disk_free_space($disk)) / toGB(disk_total_space($disk))) * 100); | |
/* ===================================================================================================== | |
/* !SPIT OUT STATS */ // No key's as we're being a bit cryptic | |
/* ---------------------------------------------------------------------------------------------------*/ | |
echo serialize(array( | |
$cpu, | |
$memory, | |
$load, | |
$time[0], | |
$hdd | |
)); | |
/* ===================================================================================================== | |
/* !convert B to G */ | |
/* ---------------------------------------------------------------------------------------------------*/ | |
function toGB($size) { | |
return round($size / 1024 / 1024 / 1024,2); | |
} | |
?> |
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