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(* Simple demo program showing node info.
Usage: node_info [URI]
(C) Copyright 2007 Richard W.M. Jones, Red Hat Inc.
http://libvirt.org/
*)
open Printf
module C = Libvirt.Connect
let () =
try
let name =
if Array.length Sys.argv >= 2 then
Some (Sys.argv.(1))
else
None in
let conn = C.connect_readonly ?name () in
(* Get node_info, hostname, etc. *)
let node_info = C.get_node_info conn in
printf "model = %s\n" node_info.C.model;
printf "memory = %Ld K\n" node_info.C.memory;
printf "cpus = %d\n" node_info.C.cpus;
printf "mhz = %d\n" node_info.C.mhz;
printf "nodes = %d\n" node_info.C.nodes;
printf "sockets = %d\n" node_info.C.sockets;
printf "cores = %d\n" node_info.C.cores;
printf "threads = %d\n%!" node_info.C.threads;
let hostname = C.get_hostname conn in
printf "hostname = %s\n%!" hostname;
let uri = C.get_uri conn in
printf "uri = %s\n%!" uri
with
Libvirt.Virterror err ->
eprintf "error: %s\n" (Libvirt.Virterror.to_string err)
let () =
(* Run the garbage collector which is a good way to check for
* memory corruption errors and reference counting issues in libvirt.
*)
Gc.compact ()
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