PerfLogSpinLockRelease

VOID __stdcall PerfLogSpinLockRelease(PVOID SpinLockAddress, PVOID CallerAddress, UINT64 ReleaseTime){
  struct _KPRCB *CurrentPrcb; 
  __int64 v7; 
  char v8; 
  unsigned __int8 v9; 
  struct _KPRCB *v10; 
  __int64 v11; 
  unsigned int v12; 
  char v13; 
  unsigned __int8 CurrentIrql; 
  char v15; 
  char v16; 
  unsigned __int8 v17; 
  __int64 v18; 
  __int128 v19; 
  UINT64 Flag; 
  __int128 v21; 
  __int128 v22; 
  __int128 v23; 
  __int64 v24; 
  EVENT_DATA_DESCRIPTOR EventData; 
  v21 = 0i64;
  v24 = 0i64;
  v22 = 0i64;
  v23 = 0i64;
  CurrentPrcb = KeGetCurrentPrcb();
  v7 = *((_QWORD *)CurrentPrcb + 4197) + 16i64;
  v8 = *(_BYTE *)(*((_QWORD *)CurrentPrcb + 4197) + 272i64);
  if( v8 )
  {
    v9 = *(_BYTE *)(*((_QWORD *)CurrentPrcb + 4197) + 272i64);
    while( *(PVOID *)(32i64 * --v9 + v7 + 8) != SpinLockAddress )
    {
      if( !v9 )
      {
        ++*(_DWORD *)(*((_QWORD *)CurrentPrcb + 4197) + 280i64);
        return;
      }
    }
    v10 = KeGetCurrentPrcb();
    v11 = 32i64 * v9 + v7;
    if( *(_BYTE *)(*((_QWORD *)CurrentPrcb + 4197) + 273i64) )
      goto LABEL_20;
    if( !*(_DWORD *)EtwpSpinLockHoldThreshold
      || (unsigned int)(ReleaseTime - *(_DWORD *)v11) <= *(_DWORD *)EtwpSpinLockHoldThreshold )
    {
      v12 = *(_DWORD *)(v11 + 20);
      if( (v12 < EtwpSpinLockSpinThreshold || *((_DWORD *)v10 + 8497) % (unsigned int)EtwpSpinLockContentionSampleRate)
        && (v12 || (*((_DWORD *)v10 + 8496) - *((_DWORD *)v10 + 8497)) % (unsigned int)EtwpSpinLockAcquireSampleRate) )
      {
        goto LABEL_20;
      }
    }
    v13 = *((_BYTE *)v10 + 32);
    *(_BYTE *)(*((_QWORD *)CurrentPrcb + 4197) + 273i64) = 1;
    *(_QWORD *)&v21 = SpinLockAddress;
    *((_QWORD *)&v21 + 1) = CallerAddress;
    *((_QWORD *)&v22 + 1) = ReleaseTime;
    DWORD2(v23) = *((_DWORD *)KeGetCurrentThread() + 288);
    BYTE1(v24) = v8;
    CurrentIrql = KeGetCurrentIrql();
    LOBYTE(v24) = CurrentIrql;
    *(_QWORD *)&v22 = *(_QWORD *)v11;
    *(_QWORD *)&v23 = *(_QWORD *)(v11 + 16);
    HIDWORD(v23) = *((_DWORD *)v10 + 8096) - *(_DWORD *)(v11 + 24);
    v15 = *(_BYTE *)(v11 + 28);
    BYTE2(v24) = v15;
    if( v13 == 1 )
    {
      if( (*((_DWORD *)KeGetPcr() + 3243) & 0x10001) != 0 )
      {
        v16 = v15 | 0x40;
LABEL_18:
        BYTE2(v24) = v16;
        goto LABEL_19;
      }
    }
    else if( !v13 )
    {
LABEL_19:
      EventData.Reserved = 0;
      EventData.Ptr = (unsigned __int64)&v21;
      EventData.Size = 56;
      LODWORD(Flag) = 1538;
      EtwTraceKernelEvent(&EventData, 1ui64, 0x20010000ui64, 0x529u, Flag);
      *(_BYTE *)(v7 + 257) = 0;
LABEL_20:
      v17 = v8 - 1;
      while( v9 < v17 )
      {
        v18 = 32 * ++v9;
        v19 = *(_OWORD *)(v18 + v7 + 16);
        *(_OWORD *)v11 = *(_OWORD *)(v18 + v7);
        *(_OWORD *)(v11 + 16) = v19;
        v11 += 32i64;
      }
      --*(_BYTE *)(v7 + 256);
      return;
    }
    v16 = v15 | 0x80;
    goto LABEL_18;
  }
}

Referenced by: