当我将我的3gs(iOS 5.0.1)设备连接到Instruments时,我收到此错误消息
" Failed to start Instruments daemon for 'iOS' on iPhone 3GS (v5.0.1)' (The service is invalid.)
Please reconnect the device."
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当我重新连接设备时,此信息出现在仪器上.如何使用此设备进行性能测试.
谢谢.