由實體機追查哪一台 VM 的流量最大

# 抓取第一次數據
$before = Get-Counter -Counter @(
    '\Hyper-V Virtual Network Adapter(*)\Bytes Sent/sec',
    '\Hyper-V Virtual Network Adapter(*)\Bytes Received/sec'
)

# 等待 10 秒
Start-Sleep -Seconds 10

# 抓取第二次數據
$after = Get-Counter -Counter @(
    '\Hyper-V Virtual Network Adapter(*)\Bytes Sent/sec',
    '\Hyper-V Virtual Network Adapter(*)\Bytes Received/sec'
)

# 分析並計算平均每秒流量
$results = @()

for ($i = 0; $i -lt $before.CounterSamples.Count; $i++) {
    $instance = $before.CounterSamples[$i].InstanceName

    $sentIndex = $i
    $recvIndex = $i + $before.CounterSamples.Count / 2

    $sentBefore = $before.CounterSamples[$sentIndex].CookedValue
    $sentAfter = $after.CounterSamples[$sentIndex].CookedValue

    $recvBefore = $before.CounterSamples[$recvIndex].CookedValue
    $recvAfter = $after.CounterSamples[$recvIndex].CookedValue

    $sentPerSec = ($sentAfter - $sentBefore) / 10
    $recvPerSec = ($recvAfter - $recvBefore) / 10

    $results += [PSCustomObject]@{
        AdapterName   = $instance
        SentPerSec    = [math]::Round($sentPerSec, 2)
        ReceivedPerSec = [math]::Round($recvPerSec, 2)
        TotalPerSec   = [math]::Round($sentPerSec + $recvPerSec, 2)
    }
}

# 顯示結果，依照總流量排序
$results | Sort-Object TotalPerSec -Descending | Format-Table -AutoSize



用 performance monitor 監查看各VM的流量(找不到)
Get-Counter '\Hyper-V Virtual Network Adapter(*)\Bytes Total/sec'

在 VM 上追查哪個網站流量最大
用 performance monitor 監查看各網站的流量
Web Service: Bytes Sent/sec