FM / SysInfo

/usr/share/phpmyadmin/libraries/classes/Server/SysInfo/

/usr/share/phpmyadmin/libraries/classes/Server/SysInfo

Name	Size	Mode	Actions
Base.php	772	0644	edit dl rm
Linux.php	2620	0644	edit dl rm
SunOs.php	1903	0644	edit dl rm
SysInfo.php	1790	0644	edit dl rm
WindowsNt.php	3363	0644	edit dl rm

Edit: /usr/share/phpmyadmin/libraries/classes/Server/SysInfo/Linux.php (2620B)

<?php

declare(strict_types=1);

namespace PhpMyAdmin\Server\SysInfo;

use function array_combine;
use function array_merge;
use function file_get_contents;
use function intval;
use function is_array;
use function is_readable;
use function mb_strpos;
use function mb_substr;
use function preg_match_all;
use function preg_split;

/**
 * Linux based SysInfo class
 */
class Linux extends Base
{
    /**
     * The OS name
     *
     * @var string
     */
    public $os = 'Linux';

/**
     * Gets load information
     *
     * @return array<string, int> with load data
     */
    public function loadavg()
    {
        $buf = file_get_contents('/proc/stat');
        if ($buf === false) {
            $buf = '';
        }
        $pos = mb_strpos($buf, "\n");
        if ($pos === false) {
            $pos = 0;
        }
        $nums = preg_split(
            '/\s+/',
            mb_substr(
                $buf,
                0,
                $pos
            )
        );

if (! is_array($nums)) {
            return ['busy' => 0, 'idle' => 0];
        }

return [
            'busy' => (int) $nums[1] + (int) $nums[2] + (int) $nums[3],
            'idle' => (int) $nums[4],
        ];
    }

/**
     * Checks whether class is supported in this environment
     *
     * @return bool true on success
     */
    public function supported()
    {
        return @is_readable('/proc/meminfo') && @is_readable('/proc/stat');
    }

/**
     * Gets information about memory usage
     *
     * @return array with memory usage data
     */
    public function memory()
    {
        $content = @file_get_contents('/proc/meminfo');
        if ($content === false) {
            return [];
        }

preg_match_all(
            SysInfo::MEMORY_REGEXP,
            $content,
            $matches
        );

$mem = array_combine($matches[1], $matches[2]);
        if ($mem === false) {
            return [];
        }

$defaults = [
            'MemTotal'   => 0,
            'MemFree'    => 0,
            'Cached'     => 0,
            'Buffers'    => 0,
            'SwapTotal'  => 0,
            'SwapFree'   => 0,
            'SwapCached' => 0,
        ];

$mem = array_merge($defaults, $mem);

foreach ($mem as $idx => $value) {
            $mem[$idx] = intval($value);
        }

/** @var array<string, int> $mem */
        $mem['MemUsed'] = $mem['MemTotal'] - $mem['MemFree'] - $mem['Cached'] - $mem['Buffers'];
        $mem['SwapUsed'] = $mem['SwapTotal'] - $mem['SwapFree'] - $mem['SwapCached'];

return $mem;
    }
}

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