Foglight for Citrix XenDesktop and XenApp 5.8.1

The Host tab shows the usage of system resources for the physical host associated with the selected session. Use it to see the trends in usage of the host’s system resources, to see which virtual desktops and sessions are running on the host, and to look for the signs of compromised performance. For example, high peaks in the memory utilization chart, that drastically exceed historical values could result in performance degradation and should be investigated.

Figure 42. XenDesktop Explorer: Host tab

Table 19. XenDesktop Explorer: Host tab
Resource Utilizations
CPU Load	The CPU Load spinner indicates the current percentage of the selected virtual machine’s CPU load, used to execute system code and user programs, based on the total CPU capacity. The % Used line in the CPU Utilization chart shows the percentage of the CPU utilization used by the virtual machine to execute system code and user programs, during the selected time period. % Ready displays the percentage of the virtual machine’s CPU resources that are ready to execute system code and user programs during the selected time period. The Baseline area in the chart indicates the expected CPU utilization range based on historical data.
Network I/O	The Network I/O spinner indicates the current rate at which the selected virtual machine transfers data from and to the network. The Transfer Rate line in the Network Utilization chart shows the rate at which the selected virtual machine receives and sends data to the network during the selected time period. The Baseline area in the chart indicates the expected network utilization range based on historical data.
Memory	The Memory spinner indicates the current percentage of the average memory usage by the selected virtual machine, based on the total memory capacity. The Utilization line in the Memory Utilization chart shows the percentage of memory used by the virtual machine during the selected time period. The Baseline area in the chart indicates the expected memory utilization range based on historical data.
Datastore I/O	The Datastore I/O spinner indicating the current datastore I/O rate the selected virtual machine utilizes, based on the total datastore capacity. The Transfer Rate line in the Datastore Utilization chart shows the rate at which the virtual machine reads and writes data to the datastore during the selected time period. The Baseline area in the chart indicates the expected datastore utilization range based on historical data.
Virtual Machines
Virtual Machine	Name	The name of the virtual machine
	Status	The current alarm severity of the virtual machine.
	CPU	A sparkline indicating the percentage of the CPU utilization used by the virtual machine to execute system code and user programs, during the selected time period.
Host	Name	The name of the physical host on which the virtual machine is running.
	Status	The highest severity of all alarms generated against the physical host on which the virtual machine is running.
Sessions	General information about the session, such as its type (desktop or application), the user running the session, client name, desktop name, additional session details, resource utilization, and latency.

Dependency tab

The Dependency tab helps you understand the dependencies between the XenDesktop components associated with the selected session. The dependency map displays the relationships between the XenDesktop user, Desktop, virtual machine, datastore, and physical host. For complete information about dependency maps, see Viewing object dependencies .

Figure 43. XenDesktop Explorer: Dependency tab

Processes tab

The Processes tab displays an organized view of process information for a selected session.

When you select:

•

Application session: This tab displays the metrics for all processes associated with the session.

•

Desktop session: This tab displays the metrics for the top consumers of system resources. You can configure the number of top processes that you want to display using the topN XenDesktop Agent property.

Use this tab it to understand the trends in usage of the process resources, and to look for the signs of compromised performance. For example, high peaks in the memory usage chart, that exceed historical values could result in performance degradation and should be investigated.

If there are any processes that you do not want to monitor, you can add them to the Process Black List in the XenDeskTop Agent properties.

For more information about the topN and Process Black List agent properties, see Configuring XenDesktop Agent Process Configuration properties .

Figure 44. XenDesktop Explorer: Processes tab

Table 20. XenDesktop Explorer: Processes tab
CPU Usage	For each identified process, the CPU Usage chart displays the percentage of CPU resources used by the process during the selected time period.
Memory Usage	For each identified process, the Memory Usage chart displays the percentage of memory resources that are in use, during the selected time period.
Process I/O	For each identified process, the Process I/O chart displays its data transfer rates, during the selected time period.
Page Faults	For each identified process, the Page Faults chart displays the number of page faults encountered each second, during the selected time period.
Process Summary	Metrics collected about each identified process.
	PID	The process ID.
	Name	The name of the process.
	CPU Usage	The percentage of CPU resources the process currently uses.
	Memory Usage	The percentage of memory resources the process currently uses.
	Process I/O	The I/O data transfer rates for the process.
	Page Faults	The number of page faults the process encounters per second.

Monitoring Users

XenDesktop® facilitates delivery of application components to end users on demand. Foglight™ for Citrix XenDesktop and XenApp allows you to monitor the over utilization of resources associated with XenDesktop users. The information appearing in the XenDesktop User Quick View can help you discover potential resource-level issues that can be caused by higher than usual CPU or memory usage, or increasing latency and session rates, and to reallocate resources where they are most needed.

Figure 45. XenDesktop Users Quick View

To explore Users:

On the navigation panel, under Dashboards, click XenDesktop Environment.

On the XenDesktop Environment dashboard, on the Monitoring tab, click the Users tile.

In the XenDesktop Users Quick View, in the Users view on the left, click All Users.

The XenDesktop Users Quick View refreshes, showing the Summary - All Users view on the right.

This view identifies the applications with the highest number of instances, and the highest CPU and memory utilization, and session latency. For more information, see Identifying top consumers.

In the XenDesktop Users Quick View, in the Users view on the left, click a user node.

The XenDesktop Users Quick View refreshes, showing the Summary - User view on the right.

This view displays a summary about XenDesktop objects associated with the selected user and shows the levels of CPU and memory utilization associated with desktops and applications. For more information, see Investigating the levels of resource consumption.

If you want to view the relationship of the selected User object with other components in your integrated environment, in the top-right corner, click View Dependency.

The display area refreshes, showing a dependency map.

The map illustrates how the selected User object relates to other components in your monitored environment. For more information, see Viewing object dependencies.


	TIP: To return to the XenDesktop Environment dashboard, use the bread crumb trail in the top-left corner.

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Foglight for Citrix XenDesktop and XenApp 5.8.1 - User Guide

Host tab

Dependency tab

Processes tab

Monitoring Users