Not able to collect trace data in Graphics Analyzer

Can any one help with the usage of Graphics Analyzer?

I have connected host and target using port 5002. Also, in the GA mobile application it is detecting my application as a traceable app. But not able to collect trace data on host. 

These are the messages on Console:

[INFO]: Target event: CONNECTION_REQUEST, [com.arm.mgd.core.target.data.DeviceConnectionRequestEventAttachment@6a11c8af]
[INFO]: Target event: AUTHORISATION_REQUEST, [com.arm.mgd.core.target.data.FeatureAuthorisationRequestEventAttachment@60e9a3df]
[INFO]: Target event: DEVICE_INFO, [com.arm.mgd.core.target.data.DeviceInfoEventAttachment@48b65dfb]

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