Review system metrics Learn how to review system metrics after your test session, so you can check your test device’s memory, CPU, network, and battery usage. System metrics are not yet supported on iOS 17 and later. Open system metrics In Kobiton, select Sessions. Find a session, then select the session in the search result. At the session details page, select the Explorer tab. Select Review System Metrics. Review system metrics Review memory usage To review device memory usage during the test session, select the dropdown and choose Memory. Review CPU usage To review device CPU usage during the test session, select the dropdown and choose CPU. View network usage To review the number of bytes the device sent and received over the network during the test session, select the dropdown and choose Network. Review battery usage To review the device battery drain and usage during the test session, select the dropdown and choose Battery Drain.