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Fixed ExGetCurrentProcessorUsage (thanks to Mike)

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svn path=/trunk/; revision=11295
This commit is contained in:
Alex Ionescu 2004-10-16 18:45:03 +00:00
parent 597aeb8577
commit 10d4df0a8b
1 changed files with 7 additions and 4 deletions
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11
reactos/ntoskrnl/ex/sysinfo.c
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@ -1,4 +1,4 @@
/* $Id: sysinfo.c,v 1.51 2004/10/12 00:56:46 ion Exp $
/* $Id: sysinfo.c,v 1.52 2004/10/16 18:45:03 ion Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -54,12 +54,15 @@ ExGetCurrentProcessorCpuUsage (
{
PKPCR Pcr;
ULONG TotalTime;
ULONG PercentTime;
ULONG PercentTime = 0;
ULONGLONG ScaledIdle;
Pcr = KeGetCurrentKPCR();
TotalTime = Pcr->PrcbData.KernelTime + Pcr->PrcbData.UserTime;
PercentTime = 100 - (TotalTime / Pcr->PrcbData.CurrentThread->KernelTime * 100);
/* FIXME: Needs Idle Thread to be implented properly */
ScaledIdle = Pcr->PrcbData.IdleThread->KernelTime * 100;
TotalTime = Pcr->PrcbData.KernelTime + Pcr->PrcbData.UserTime
if (TotalTime) PercentTime = 100 - (ScaledIdle / TotalTime);
CpuUsage = &PercentTime;
}