---
title: "Guest OS"
description: "Object Counter Instance Definition VMGuest-cpu % Processor Time _Total Percentage of elapsed time that the processor spends to execute a non-Idle thread of guest OS."
canonical: "https://helpcenter.veeam.com/docs/mp/hyperv_reference/guest_os.html"
breadcrumb: "Veeam MP for Microsoft Hyper-V Reference > Veeam MP for Hyper-V Metric Definitions > Guest OS"
dateModified: "2026-09-17"
---

# Guest OS

<table style="width:100%;" class="Blue_Table">
  <tr style="vertical-align:top">
    <th>
      <p> Object </p>
    </th>
    <th>
      <p> Counter </p>
    </th>
    <th>
      <p> Instance </p>
    </th>
    <th style="width:45%;">
      <p> Definition </p>
    </th>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p> VMGuest-cpu </p>
    </td>
    <td>
      <p><a name="ProcessorTimePct" id="ProcessorTimePct"/> % Processor Time </p>
    </td>
    <td>
      <p> _Total </p>
    </td>
    <td style="width:45%;">
      <p> Percentage of elapsed time that the processor spends to execute a non-Idle thread of guest OS. </p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p> VMGuest-disk </p>
    </td>
    <td>
      <p><a name="DiskTimePct" id="DiskTimePct"/> % Disk Time </p>
    </td>
    <td>
      <p> _Total </p>
    </td>
    <td style="width:45%;">
      <p> Percentage of elapsed time that the guest disk drives were busy servicing read or write requests. </p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p> VMGuest-memory </p>
    </td>
    <td>
      <p><a name="MemoryUsedPct" id="MemoryUsedPct"/> % Memory Used </p>
    </td>
    <td>
      <p> _Total </p>
    </td>
    <td style="width:45%;">
      <p> Physical memory in use. Total physical memory – memory immediately available for allocation to a process or for system use. </p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p> VMGuest-memory </p>
    </td>
    <td>
      <p><a name="PagesSec" id="PagesSec"/> Pages/sec </p>
    </td>
    <td>
      <p> _Total </p>
    </td>
    <td style="width:45%;">
      <p> Rate at which pages are read from or written to disk to resolve hard page faults. This counter is a primary indicator of the kinds of faults that cause system-wide delays. </p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p> VMGuest-memory </p>
    </td>
    <td>
      <p><a name="PageFileUsedPct" id="PageFileUsedPct"/> % Page File Used </p>
    </td>
    <td>
      <p> _Total </p>
    </td>
    <td style="width:45%;">
      <p> Total amount of all Page Files usage, in percentage. </p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p> VMGuest-net </p>
    </td>
    <td>
      <p><a name="BandwidthUsedPct" id="BandwidthUsedPct"/> % Bandwidth Used </p>
    </td>
    <td>
      <p> _Total </p>
    </td>
    <td style="width:45%;">
      <p> Percentage of bandwidth of all network adapters that are currently being used. </p>
    </td>
  </tr>
</table>