WordPress Display memory consumption & #038; load

WordPress showing memory footprint & Load Introduction

By adding a custom function to the functions.php in the WordPress topic file, the current system memory usage, overall BOM publishing memory and system load can be displayed when the page is open.

The function of this paper is to get the memory of the black probe, and the other needs to be picked up by itself.

Presentation results:

Completion method

Custom functions into the functions.php.

Total Physical Memory:

function Memtotal () {    $str = @file ("/proc/meminfo");    $str = Implode ("", $str);    Preg_match_all ("/memtotal\s{0,}\:+\s{0,} ([\d\.] +).+? Memfree\s{0,}\:+\s{0,} ([\d\.] +).+? Cached\s{0,}\:+\s{0,} ([\d\.] +).+? Swaptotal\s{0,}\:+\s{0,} ([\d\.] +).+? Swapfree\s{0,}\:+\s{0,} ([\d\.] +)/S ", $str, $buf);    Preg_match_all ("/buffers\s{0,}\:+\s{0,} ([\d\.] +)/S ", $str, $buffers);    $memTotal = Round ($buf [1][0]/1024, 2);    return $memTotal;}

Memory usage:

function memused () {    $str = @file ("/proc/meminfo");    $str = Implode ("", $str);    Preg_match_all ("/memtotal\s{0,}\:+\s{0,} ([\d\.] +).+? Memfree\s{0,}\:+\s{0,} ([\d\.] +).+? Cached\s{0,}\:+\s{0,} ([\d\.] +).+? Swaptotal\s{0,}\:+\s{0,} ([\d\.] +).+? Swapfree\s{0,}\:+\s{0,} ([\d\.] +)/S ", $str, $buf);    Preg_match_all ("/buffers\s{0,}\:+\s{0,} ([\d\.] +)/S ", $str, $buffers);    $memTotal = Round ($buf [1][0]/1024, 2);    $memFree = Round ($buf [2][0]/1024, 2);    $memUsed = $memTotal-$memFree;    return $memUsed;}

Real Memory Usage:

function memrealused () {    $str = @file ("/proc/meminfo");    $str = Implode ("", $str);    Preg_match_all ("/memtotal\s{0,}\:+\s{0,} ([\d\.] +).+? Memfree\s{0,}\:+\s{0,} ([\d\.] +).+? Cached\s{0,}\:+\s{0,} ([\d\.] +).+? Swaptotal\s{0,}\:+\s{0,} ([\d\.] +).+? Swapfree\s{0,}\:+\s{0,} ([\d\.] +)/S ", $str, $buf);    Preg_match_all ("/buffers\s{0,}\:+\s{0,} ([\d\.] +)/S ", $str, $buffers);    $memTotal = Round ($buf [1][0]/1024, 2);    $memFree = Round ($buf [2][0]/1024, 2); $memCached = Round ($buf [3][0]/1024, 2); $memBuffers = Round ($buffers [1][0]/1024, 2) ;    $memRealUsed = $memTotal-$memFree-$memCached-$memBuffers;    return $memRealUsed;}

System load:

function Loadavg () {    $str = @file ("/proc/loadavg");    $str = Explode ("", Implode ("", $str));    $str = Array_chunk ($str, 4);    $LOADAVG = Implode ("", $str [0]);    return $LOADAVG;}

Example of a function invocation method:

Echo Memtotal (); # Overall BOM Publishing physical memory

Some of the contents refer to:

Http://www.weishimi.com/archives/114.html

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WordPress Display memory consumption & #038; load