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 warnings;
use strict;
use Sys::Virt;

my $pagetoscan = shift @ARGV || 200;
my $sleepmillis = shift @ARGV || 100;

my $uri = "qemu:///system";
my $con = Sys::Virt->new(address => $uri);

my $params = $con->get_node_memory_parameters();
foreach my $key (keys %{$params}) {
    printf "%s: %d\n", $key, $params->{$key};
}

my %param = (Sys::Virt::NODE_MEMORY_SHARED_PAGES_TO_SCAN => $pagetoscan,
	     Sys::Virt::NODE_MEMORY_SHARED_SLEEP_MILLISECS => $sleepmillis);
$con->set_node_memory_parameters(\%param);

$params = $con->get_node_memory_parameters();
foreach my $key (keys %{$params}) {
    printf "%s: %d\n", $key, $params->{$key};
}