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→Obtaining Xen Configuration and System Information
== Obtaining Xen Configuration and System Information ==
Perhaps the most basic step in monitoring a Xen system or isolating a problem is to get a high level overview of the Xen environment and underlying configuration. This information will be of particular importance when requesting help from a vendor or forum. A good way to obtain this information is to use the ''xm info'' command. For example, the following example shows output from ''xm info'' on a CentOS Red Hat Enterprise Linux 5 (RHEL5) system:
<pre>
xm info
host : localhost.localdomain
release : 2.6.18-53.el5xen
version : #1 SMP Wed Oct 10 17:06:12 EDT 2007
machine : i686
nr_cpus : 1
nr_nodes : 1
sockets_per_node : 1
cores_per_socket : 1
threads_per_core : 1
cpu_mhz : 2993
hw_caps : 0febfbff:20100000:00000000:00000180:0000a015:00000000:00000001
total_memory : 255
free_memory : 14
xen_major : 3
xen_minor : 1
xen_extra : .0-53.el5
xen_caps : xen-3.0-x86_32p
xen_pagesize : 4096
platform_params : virt_start=0xf5800000
xen_changeset : unavailable
cc_compiler : gcc version 4.1.2 20070626 (Red Hat 4.1.2-14)
cc_compile_by : brewbuilder
cc_compile_domain : build.redhat.com
cc_compile_date : Wed Oct 10 16:30:55 EDT 2007
xend_config_format : 2
</pre>
