Seldaek/monolog · error · InvalidArgumentException

Invalid average system load: `%s`

Error message

Invalid average system load: `%s`

What it means

Error "Invalid average system load: `%s`" thrown in Seldaek/monolog.

Source

Thrown at src/Monolog/Processor/LoadAverageProcessor.php:44

    private const AVAILABLE_LOAD = [
        self::LOAD_1_MINUTE,
        self::LOAD_5_MINUTE,
        self::LOAD_15_MINUTE,
    ];

    /**
     * @var int
     */
    protected $avgSystemLoad;

    /**
     * @param self::LOAD_* $avgSystemLoad
     */
    public function __construct(int $avgSystemLoad = self::LOAD_1_MINUTE)
    {
        if (!\in_array($avgSystemLoad, self::AVAILABLE_LOAD, true)) {
            throw new \InvalidArgumentException(sprintf('Invalid average system load: `%s`', $avgSystemLoad));
        }
        $this->avgSystemLoad = $avgSystemLoad;
    }

    /**
     * {@inheritDoc}
     */
    public function __invoke(LogRecord $record): LogRecord
    {
        if (!\function_exists('sys_getloadavg')) {
            return $record;
        }
        $usage = sys_getloadavg();
        if (false === $usage) {
            return $record;
        }

        $record->extra['load_average'] = $usage[$this->avgSystemLoad];

View on GitHub (pinned to 57eb102834)

When it happens

Trigger: Thrown at src/Monolog/Processor/LoadAverageProcessor.php:44 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Seldaek/monolog@57eb102834 (2026-08-17). Data as JSON: /api/errors/38127d51ef3a5654. Report an issue: GitHub.