Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/share/doc/libsys-virt-perl/examples/

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#!/usr/bin/perl

use strict;
use warnings;

use Sys::Virt;

my $addr = @ARGV ? shift @ARGV : "";

my $hv = Sys::Virt->new(address => $addr, readonly => 1);

my $info = $hv->get_node_info();

my @models = $hv->get_cpu_model_names($info->{model});

print "Available CPU model names:\n";
print join ("\n", map { "  " . $_ } sort{ lc $a cmp lc $b } @models), "\n";

my @pagesizes = (
    4, 2048, 1048576
    );

my @info = $hv->get_node_free_pages(\@pagesizes, 0, 0);

print "Free pages per NUMA node:\n";
foreach my $info (@info) {
    print "  Node: ", $info->{cell}, "\n";
    print "  Free: ";
    for (my $i = 0; $i <= $#pagesizes; $i++) {
	my $pagesize = $pagesizes[$i];
	printf "%d @ %d KB, ", $info->{pages}->{$pagesize}, $pagesize;
    }
    print "\n";
}

my $xml = $hv->get_domain_capabilities(undef, "x86_64", undef, "kvm");
print $xml;