Olhando para as propriedades, ele captura dados relacionados ao Power (Sleepstudy, AdaptiveStandby) quando nenhum usuário está usando ativamente o dispositivo.
Logger Name : UserNotPresentTraceSession
Logger Id : 14
Logger Thread Id : 0000000000000354
Buffer Size : 64
Maximum Buffers : 24
Minimum Buffers : 2
Number of Buffers : 2
Free Buffers : 1
Buffers Written : 1
Events Lost : 0
Log Buffers Lost : 0
Real Time Buffers Lost: 0
Flush Timer : 0
Age Limit : 0
Log File Mode : Circular PersistOnHybridShutdown NoPerProcessorBuffering
Maximum File Size : 2
Log Filename : C:\Windows\system32\SleepStudy\UserNotPresentSession.etl
Trace Flags : "Microsoft-Windows-UserModePowerService":0x2c:0x4+"Microsoft-Windows-Kernel-Power":0xe03:0x4