Citrix Xenserver Performance Monitoring May 2026

: Overcommitted host vCPUs > physical cores.

# Host CPU utilization (average over 5 sec) xe host-data-source-list host=<host_uuid> name_label="cpu_usage" xe host-data-source-query host=<host_uuid> data-source="cpu_usage" xe vm-data-source-list vm=<vm_name> name_label="cpu_usage" xe vm-data-source-query vm=<vm_name> data-source="cpu_usage" VM disk latency xe vm-data-source-query vm=<vm_name> data-source="vbd_xvda_latency" Memory ballooning xe vm-data-source-query vm=<vm_name> data-source="memory_actual" 3.3 RRD Updates XenServer stores performance data in Round-Robin Databases (RRD) under /var/lib/xcp/rrd/ . You can extract them using: citrix xenserver performance monitoring

import XenAPI session = XenAPI.Session("https://xenserver") session.login_with_password("user", "pass") : Overcommitted host vCPUs &gt; physical cores