Baytrail can't use VTune collect Bandwidth data

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Baytrail can't use VTune collect Bandwidth data

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Hello , I just use the 2016 VTune to collect remote Android target Bandwidth data .But always can't get anything in Memory Access and the Event UNC_SOC_**_BW also sample after is zero.

when I in Android side use ./socwatch -f sys -r vtune also get nothing about Bandwidth , it tell no data to show.

My tool version is Intel(R) VTune(TM) Amplifier 2016 Update 3 for Systems (build 464096)

Cpu info :Intel(R) Atom(TM) Processor Based on Silvermont Microarchitecture

please tell me how can I get the Bandwidth data on my remote target. thz

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