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'程序名称: btlwchk_DiskIO.vbs
'程序用途: 监测windows主机IO利用率
'创建日期: 2011-08-10
'作者信息: zhangkai
'运行环境: vbs
'QQ： 276371791
MonSubject="DiskIO"
strComputer = "."
Set objWMIService = GetObject("winmgmts:" & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")
'第1次采样IO
Set colItems = objWMIService.ExecQuery("Select * from Win32_PerfRawData_PerfDisk_LogicalDisk where name='_Total' ",,48)
For Each objItem in colItems
DiskTime1 = objItem.PercentDiskTime
BaseTime1 = objItem.PercentDiskTime_Base
DiskBytes1 = objItem.DiskBytesPerSec
DiskReadBytes1 = objItem.DiskReadBytesPerSec
DiskWriteBytes1 = objItem.DiskWriteBytesPerSec
AvgDiskTransfer1 = objItem.AvgDiskSecPerTransfer
AvgDiskTransferBase1 = objItem.AvgDiskSecPerTransfer_Base
AvgDiskRead1 = objItem.AvgDiskSecPerRead
AvgDiskReadBase1 = objItem.AvgDiskSecPerRead_Base
AvgDiskWrite1 = objItem.AvgDiskSecPerWrite
AvgDiskWriteBase1 = objItem.AvgDiskSecPerWrite_Base
TimeValue1 = objItem.Timestamp_PerfTime
TimeBase = objItem.Frequency_PerfTime
Next
'第2次采样IO
WScript.Sleep 1000
Set colItems = objWMIService.ExecQuery("Select * from Win32_PerfRawData_PerfDisk_LogicalDisk where name='_Total' ",,48)
For Each objItem in colItems
DiskTime2 = objItem.PercentDiskTime
BaseTime2 = objItem.PercentDiskTime_Base
DiskBytes2 = objItem.DiskBytesPerSec
DiskReadBytes2 = objItem.DiskReadBytesPerSec
DiskWriteBytes2 = objItem.DiskWriteBytesPerSec
AvgDiskTransfer2 = objItem.AvgDiskSecPerTransfer
AvgDiskTransferBase2 = objItem.AvgDiskSecPerTransfer_Base
AvgDiskRead2 = objItem.AvgDiskSecPerRead
AvgDiskReadBase2 = objItem.AvgDiskSecPerRead_Base
AvgDiskWrite2 = objItem.AvgDiskSecPerWrite
AvgDiskWriteBase2 = objItem.AvgDiskSecPerWrite_Base
TimeValue2 = objItem.Timestamp_PerfTime
CurrentDiskQueueLength = objItem.CurrentDiskQueueLength
Next
'获取IO利用率
If BaseTime2 - BaseTime1 = 0 Then
strio ="Name=_Toltal" & ",PercentDiskTime=0%"
Else
PercentDiskTime =(DiskTime2 - DiskTime1)/(BaseTime2 - BaseTime1)*100
strio = "Name=_Total" & ",PercentDiskTime=" & PercentDiskTime
End If
'获取Disk Bytes/sec
If TimeValue2 - TimeValue1 = 0 Then
strdiskbyte = ",DiskBytesPerSec=0"
Else
DiskBytesPerSec = (DiskBytes2 - DiskBytes1) / ( (TimeValue2 - TimeValue1) / TimeBase)
strdiskbyte = ",DiskBytesPerSec=" & DiskBytesPerSec
End If
'获取Disk Read Bytes/sec
If TimeValue2 - TimeValue1 = 0 Then
strdiskreadbyte = ",DiskReadBytesPerSec=0"
Else
DiskReadBytesPerSec = (DiskReadBytes2 - DiskReadBytes1) / ( (TimeValue2 - TimeValue1) / TimeBase)
strdiskreadbyte = ",DiskReadBytesPerSec=" & DiskReadBytesPerSec
End If
'获取Disk Write Bytes/sec
If TimeValue2 - TimeValue1 = 0 Then
strdiskwritebyte = ",DiskWriteBytesPerSec=0"
Else
DiskWriteBytesPerSec = (DiskWriteBytes2 - DiskWriteBytes1) / ( (TimeValue2 - TimeValue1) / TimeBase)
strdiskwritebyte = ",DiskWriteBytesPerSec=" & DiskWriteBytesPerSec
End If
'获取Avg. Disk sec/Transfer
If AvgDiskTransferBase2 - AvgDiskTransferBase1 = 0 Then
stravgdisktran = ",AvgDiskSecPerTransfer=0"
Else
AvgDiskSecPerTransfer = ((AvgDiskTransfer2 - AvgDiskTransfer1) / TimeBase) / (AvgDiskTransferBase2 - AvgDiskTransferBase1)
stravgdisktran = ",AvgDiskSecPerTransfer=" & AvgDiskSecPerTransfer
End If
'获取Avg. Disk sec/Read
If AvgDiskReadBase2 - AvgDiskReadBase1 = 0 Then
stravgdiskread = ",AvgDiskSecPerRead=0"
Else
AvgDiskSecPerRead = ((AvgDiskRead2 - AvgDiskRead1) / TimeBase) / (AvgDiskReadBase2 - AvgDiskReadBase1)
stravgdiskread = ",AvgDiskSecPerRead=" & AvgDiskSecPerRead
End If
'获取Avg. Disk sec/Write
If AvgDiskWriteBase2 - AvgDiskWriteBase1 = 0 Then
stravgdiskwrite = ",AvgDiskSecPerWrite=0"
Else
AvgDiskSecPerWrite = ((AvgDiskWrite2 - AvgDiskWrite1) / TimeBase) / (AvgDiskWriteBase2 - AvgDiskWriteBase1)
stravgdiskwrite = ",AvgDiskSecPerWrite=" & AvgDiskSecPerWrite
End If
'获取Current Disk Queue Length
strdisklength = ",CurrentDiskQueueLength=" & CurrentDiskQueueLength
Wscript.Echo MonSubject & " 0:OK|" & strio & strdiskbyte & strdiskreadbyte & strdiskwritebyte & stravgdisktran & stravgdiskread & stravgdiskwrite & strdisklength