gistfile1.txt

/// Gets current memory usage information for the app's memory footprint
/// Returns tuple with bytes used, total bytes available, and usage in MB
/// Uses task_vm_info to get accurate app-specific memory usage
func getMemoryUsage() -> (used: UInt64, total: UInt64, usedMB: Double) {
    var taskInfo = task_vm_info_data_t()
    var count = mach_msg_type_number_t(MemoryLayout<task_vm_info>.size)
    let result: kern_return_t = withUnsafeMutablePointer(
        to: &taskInfo
    ) {
        $0.withMemoryRebound(to: integer_t.self, capacity: 1) {
            task_info(mach_task_self_,
                      task_flavor_t(TASK_VM_INFO),
                      $0,
                      &count)
        }
    }

    guard result == KERN_SUCCESS else {
        return (used: 0, total: 0, usedMB: 0.0)
    }

    let totalMemory = ProcessInfo.processInfo.physicalMemory
    let usedMemory = UInt64(taskInfo.phys_footprint)
    let usedMB = Double(usedMemory) / (1024 * 1024)
    return (used: usedMemory, total: totalMemory, usedMB: usedMB)
}