Metrics During a manual session, select Metrics to display the device’s memory, CPU, network, and battery usage in realtime. Memory The Memory metric shows the percentage of device memory currently in use during a test session. The value aligns with Android Settings on Android devices and Xcode Instruments on iOS devices. CPU The percentage of the device’s CPU being used during your test session. Network The number of bytes the device is receiving and sending over the network during your test session. Battery drain The speed at which the device’s battery is draining during your test session.