Add options to settings to disable/enable + refresh rate

emhttp/languages/en_US/helptext.txt

@@ -1675,6 +1675,14 @@ For setting the console options to show on context menus. Web will show only inb
 Virtual Manager Remote Viewer will only show the Remote Viewer option. Both will show both Web and Remote Viewer.
 :end
 
+:vms_usage_help:
+Show metrics for CPU both guest and host percentage, memory, disk io and network io.
+:end
+
+:vms_usage_timer_help:
+Setting in seconds for metrics refresh time.
+:end
+
 :vms_acs_override_help:
 *PCIe ACS override* allows various hardware components to expose themselves as isolated devices.
 Typically it is sufficient to isolate *Downstream* ports.

emhttp/plugins/dynamix.vm.manager/VMSettings.page

@@ -183,6 +183,19 @@ _(Console Options)_:
 
 :vms_console_help:
 
+_(Show VM Usage)_:
+: <select id="vmusage" name="USAGE">
+  <?=mk_option($domain_cfg['USAGE'], 'N', _('Disabled'))?>
+  <?=mk_option($domain_cfg['USAGE'], 'Y', _('Enabled'))?>
+  </select>
+
+:vms_usage_help:
+
+_(VM Usage refresh timer(seconds))_:
+: <input type="number" id="vm_usage_timer" name="USAGETIMER" value="<?=htmlspecialchars($domain_cfg['USAGETIMER'] ?? 3) ?>" class="narrow">
+
+:vms_usage_timer_help:
+
 _(PCIe ACS override)_:
 : <select id="pcie_acs_override"<?=$safemode?' disabled':''?>>
   <?= mk_option($pcie_acs_override, '', _('Disabled'))?>

emhttp/plugins/dynamix.vm.manager/VMUsageStats.page

@@ -1,7 +1,7 @@
 Menu="VMs:0"
 Title="VM Usage Statisics"
-Cond="exec(\"grep -o '^SERVICE=.enable' /boot/config/domain.cfg 2>/dev/null\")"
 Nchan="vm_usage:stop"
+Cond="exec(\"grep -o '^USAGE=.Y' /boot/config/domain.cfg 2>/dev/null\") && is_file('/var/run/libvirt/libvirtd.pid')"
 ---
 <?PHP
 /* Copyright 2005-2024, Lime Technology

emhttp/plugins/dynamix.vm.manager/nchan/vm_usage

@@ -52,6 +52,10 @@ function update_translation($locale) {
   }
 }
 
+$domain_cfgfile = "/boot/config/domain.cfg";
+$domain_cfg = parse_ini_file($domain_cfgfile);
+if (!isset($domain_cfg['USAGETIMER'])) $timer = 3 ; else $timer = $domain_cfg['USAGETIMER'];
+
 while (true) {
 
   extract(parse_plugin_cfg('dynamix',true));
@@ -88,6 +92,6 @@ while (true) {
     $time0 = $time1;
   }
 
-  sleep(3);
+  sleep($timer);
 }
 ?>