##PoshBoard Widget for Basic Performance of Physical (Hyper-V) Hardware
##v1.0

Function CpuChart
{ 
 $Chart = New-PbChart -Name "CPU Monitor" -Title "CPU Monitor" -Theme Theme1 -Row 0 -Column 0
  $LogicalCpuUsage = Get-Counter “\Hyper-V Hypervisor Logical Processor(_Total)\% Hypervisor Run Time” -Computer %ComputerName%|%{$_.CounterSamples[0].CookedValue}
  $GuestCpuUsage = Get-Counter “\Hyper-V Hypervisor Logical Processor(_Total)\% Guest Run Time” -Computer %ComputerName%|%{$_.CounterSamples[0].CookedValue}
  $a = New-PbChartSerie -Name "Total Hypervisor RunTime" -LegendText "Hypervisor Workload" -RenderAs StackedColumn100 -Color Red
  $a.AddDataPoint("CPU Usage",$LogicalCpuUsage)
  $b = New-PbChartSerie -Name "Total Guest RunTime" -LegendText "Guest(s) Workload" -RenderAs StackedColumn100 -Color Orange
  $b.AddDataPoint("CPU Usage",$GuestCpuUsage)
  $c = New-PbChartSerie -Name "Idle RunTime" -LegendText "Idle Workload" -RenderAs StackedColumn100 -Color Green
  $c.AddDataPoint("CPU Usage",100 - $LogicalCpuUsage - $GuestCpuUsage)
  Add-PbChartSeries $Chart $a,$b,$c
 $Chart
}


Function RamChart
{
 $Chart = New-PbChart -Name "RAM Monitor" -Title "RAM Monitor" -Theme Theme1 -Row 0 -Column 1
  $TotalMemory = (gwmi -Computer %ComputerName% -query("select TotalPhysicalMemory from Win32_ComputerSystem")).TotalPhysicalMemory/1024
  $FreeRam = (gwmi -Computer %ComputerName% -Query("select FreePhysicalMemory from Win32_OperatingSystem")).FreePhysicalMemory
  $a = New-PbChartSerie -Name "Used RAM" -LegendText "Used RAM" -RenderAs StackedColumn -Color Red
  $a.AddDataPoint("RAM Usage",$TotalMemory-$FreeRam)
  $b = New-PbChartSerie -Name "Free RAM" -LegendText "Free RAM" -RenderAs StackedColumn -Color Green
  $b.AddDataPoint("RAM Usage",$FreeRam)
  Add-PbChartSeries $Chart $a,$b
 $Chart
}


Function DiskPerformanceChart
{
 $Chart = New-PbChart -Name "Disk I/O" -Title "Disk I/O Monitor" -Theme Theme1 -Animation $true -AddMode -Row 1 -ColumnSpan 2 
  $Time = Get-Date -uformat "%H:%M:%S"
  $ReadTimeCounter = Get-Counter -ComputerName %ComputerName% -Counter "\PhysicalDisk(_Total)\% Disk Read Time"
  $WriteTimeCounter = Get-Counter -ComputerName %ComputerName% -Counter "\PhysicalDisk(_Total)\% Disk Write Time"
  $ReadTime = $ReadTimeCounter.CounterSamples[0].CookedValue
  $WriteTime = $WriteTimeCounter.CounterSamples[0].CookedValue
  $a = New-PbChartSerie -Name "a" -LegendText "Percent ReadTime" -RenderAs Line -Color Blue
  $a.AddDataPoint($Time,$ReadTime)
  $b = New-PbChartSerie -name "b" -LegendText "Percent WriteTime" -RenderAs Line -Color Green
  $b.AddDataPoint($Time,$WriteTime)
  Start-Sleep -Milliseconds 50
  Add-PbChartSeries $Chart $a,$b
 $Chart
}


Function DiskUsageChart($Type,$Capacity,$FreeSpace,$ChartName)
{
 $Chart = New-PbChart -Name $ChartName -Theme "Theme1" -Title "Disk Usage Monitor" 
  $a = New-PbChartSerie -Name "FreeSpace" -RenderAs $Type
  $a.AddColoredDataPoint("Free Gb",$FreeSpace,"Blue")
  $b = New-PbChartSerie -Name "Used" -LegendText "Capacity" -RenderAs $Type
  $a.AddColoredDataPoint("Used Gb",$Capacity-$FreeSpace,"Green")
  Start-Sleep -Milliseconds 50
  Add-PbChartSeries $Chart $a
 $Chart
}


Function DiskUsageChartTabs($Volumes,$Tabs,$Capacity,$FreeSpace,$ChartName)
{
 $Tabs = New-PbTab -Name "Disk Usage" -FontSize 10 -Row 2 -ColumnSpan 2
  $Volumes = gwmi -Computer %ComputerName% -q "select Name, Label, Capacity, FreeSpace from Win32_Volume where drivetype !='5'"
  $Volumes|%{
   $ChartName = $_.Name
   $Label = $_.Label
   $Capacity = [math]::round($_.Capacity/1024/1024/1024,2)
 	 $FreeSpace = [math]::round($_.FreeSpace/1024/1024/1024,2)
  Add-PbItem $Tabs (DiskUsageChart "Pie" "$Capacity" "$FreeSpace" "$ChartName ($Capacity Gb)")
  }
 $Tabs
}


 $Grid = New-PbGrid -Rows ("1*","1*","1*") -Columns ("1*","1*")
  Add-PbItem $Grid (CpuChart)
  Add-PbItem $Grid (RamChart)
  Add-PbItem $Grid (DiskPerformanceChart)
  Add-PbItem $Grid (DiskUsageChartTabs) 
 $Grid