'程序名称:      btlwchk_DiskIO.vbs
'版权信息:      Copyright (c)  2011 guangzhou bluetech technology Incorporated.All rights reserved
'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
'处理参数
MonSubject="DiskIO"
Set Args=WScript.Arguments
If (Args.Count1) Then
 Wscript.Echo MonSubject  " -1:command line error"
 WScript.Quit(3)
End If
strcid=Args(0)
'获取工作目录
tmparr=Split(Wscript.ScriptFullName,"\",-1)
g_strworkdir=tmparr(0)
narr=UBound(tmparr,1)
For i=1 to narr-3
    g_strworkdir=g_strworkdir  "\"  tmparr(i)
Next
'装载公共库
set g_fileSys = createObject ("Scripting.FileSystemObject")
Sub includeFile (fSpec)
    dim file, fileData
    set file = g_fileSys.openTextFile (fSpec)
    fileData = file.readAll ()
    file.close
    executeGlobal fileData
    set file = nothing 
end sub
includeFile g_strworkdir  "\nagios\libexec\libcomm.vbs"

'输出版本和帮助信息
getverhelp strcid,"v1.00"," cid>"

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