I'm looking to measure the contribution of the network card to the power
consumption or battery drain of an Android phone.
I'm running an application through a computer that is tethered to the
phone, which is then sending the packets through to the mobile network. In
other words, I'm using the phone as a proxy but not running any application
on the phone to help me do this.
So far I've tried using ADB with the following command:
$ adb shell dumpsys batterystats
This provides output like the following after sending ~100K packets over 20
minutes:
Estimated power use (mAh): Capacity: 2600, Computed drain: 20.4, actual
drain: 0
Uid 0: 6.93 ( cpu=0.387 wake=5.53 radio=1.01 wifi=0.0000309 )
...
Compared to the phone sitting idle for 20 minutes:
Estimated power use (mAh): Capacity: 2600, Computed drain: 5.55, actual
drain: 0
Uid 0: 1.72 ( cpu=0.0408 wake=0.0406 radio=1.64 wifi=0.0000161 )
...
There's a big difference in the battery drain, but I'm unsure how
representative these measurements are for the NIC specifically.
Is the change in the drain from Uid 0 representative of the network card
being used? Or are there more accurate ways of measuring the contribution
of the NIC to the battery drain?
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