Function memorySwapUsedBsd

lib/models/hardware-info.js:148–176

()

}

function memorySwapUsedBsd() {
  try {
    const { stdout } = execa.sync('pstat', ['-s']);
    const devices = stdout.split('\n').filter(Boolean);
    const header = devices.shift();
    const match = /^Device\s+(\d+)(K?)-blocks\s+Used\b/.exec(header);

    if (!match) {
      throw new Error('Block size not found in output.');
    }

    const blockSize = parseInt(match[1], 10) * (match[2] === 'K' ? 1024 : 1);

    return devices.reduce((total, line) => {
      const match = /^\S+\s+\d+\s+(\d+)/.exec(line);

      if (!match) {
        throw new Error(`Unrecognized line in output: '${line}'`);
      }

      return total + parseInt(match[1], 10) * blockSize;
    }, 0);
  } catch (ex) {
    logger.warn(`Could not get swap status from pstat: ${ex}`);
    logger.warn(ex.stack);

    return null;
  }
}

function memorySwapUsedLinux() {
  try {