VOID __stdcall PopFanEndCsFanPeriod(INT64 a1){
__int64 v1;
v1 = qword_140C22DE8;
if( qword_140C22DE8 < (unsigned __int64)qword_140C22DF0 )
v1 = qword_140C22DF0;
PopDiagTraceCsFanPerfTrack(
(*(_QWORD *)&KUSER_SHARED_DATA.InterruptTime.LowPart - v1) / 0x989680ui64,
(unsigned int)((v1 - qword_140C22DF0) / 0x989680ui64));
}