Foglight for Infrastructure 5.9.2

Host objects are identified in Foglight by their Name property. This property typically contains the host’s fully qualified domain name. The fully qualified name is also decomposed into the localName and domainName properties. The IP addresses assigned to a host are captured in the primaryIpAddress and ipAddresses properties. The addresses are not unique to a particular host.

Table 36. Host topology object
Metric Name	Metric Description	Metric Collected for These Platforms
availablePagingSpace	The percentage of paging space available on the host.	AIX® HP-UX Linux® Solaris® Windows®
bootTime	The time at which the system was booted, in seconds since UTC epoch (January 1, 1970).	AIX¹ HP-UX² Linux Solaris Windows
contextSwitches	The rate of context switching on the host (count/second).	AIX HP-UX Linux Solaris Windows
fiveMinuteLoadAverage	The average system load over a period of five minutes.	AIX HP-UX Linux Solaris Windows
interrupts	The interrupt rate (count/second).	AIX HP-UX Linux Solaris Windows
ipAddresses	A list of all IP addresses assigned to the host.	AIX HP-UX Linux Solaris Windows
monitored	Shows whether the agent is able to connect to the host for monitoring. Monitored state is MONITORED, UNMONITORED, or UNAVAILABLE.	AIX HP-UX Linux Solaris Windows
name	The name of this host.	AIX HP-UX Linux Solaris Windows
numProcesses	The number of processes running on the host.	AIX HP-UX Linux Solaris Windows
primaryIpAddress	The primary or canonical IP address for this host.	AIX HP-UX Linux Solaris Windows
rebootCount	The host system reboot count.	AIX HP-UX Linux Solaris Windows
runQueueLength	The run queue length. NOTE: IntelliProfile thresholds are defined for this metric. For details, review the thresholds list in the Manage Thresholds dashboard.	AIX HP-UX Linux Solaris Windows
systemId	The unique identifier for the host.	AIX HP-UX Linux Solaris Windows
uptime	The duration since the system was last started.	AIX HP-UX Linux Solaris Windows

This metric is available only on AIX systems using native collectors. It is not collected for command line.

This metric is available only on HP-UX systems using native collectors. It is not collected for command line.

HostCPUs topology object

There is a single HostCPUs instance attached to a Host that provides host level summary metrics for the processors on a host. The HostCPUs instance is identified by the reference to the associated Host object and has its name set with the constant string CPUs.

Table 37. HostCPUs topology object
Metric Name	Metric Description	Metric Collected for These Platforms
percentIOWaitTime	The average percentage of time that processors on the host were idle while there was at least one I/O in progress.	AIX® HP-UX Linux® Solaris®
percentIdleTime	The average percentage of time that processors on the host are idle.	AIX HP-UX Linux Solaris Windows®
percentSystemTime	The average percentage of time that processors on the host spend executing system code in user mode.	AIX HP-UX Linux Solaris Windows
percentUserTime	The average percentage of time that processors on the host spend executing user code.	AIX HP-UX Linux Solaris Windows
totalHz	The total speed (measured in Hertz) of all physical processors installed on a host, or the total number of cycles allocated to a virtual machine.	AIX HP-UX Linux Solaris Windows
usedHz	The total amount of clock cycles (measured in Hertz) being used by processors on the host.	AIX HP-UX Linux Solaris Windows
utilization	The average percentage of time that processors on the host are utilized (that is, not idle). NOTE: IntelliProfile thresholds are defined for this metric. For details, review the thresholds list in the Manage Thresholds dashboard.	AIX Linux¹ Windows

Collected for Linux platforms only by the UnixAgentPlus.

HostCPUs — Physical CPU Utilization

The CPU usage of AIX® LPAR (Logical Partition) is not easily or consistently measurable via a percentage. Depending on the LPAR configuration, the numbers can vary widely (often exceeding 100%, as in prior releases).

The current formula for calculating the Physical CPU Utilization provides a more meaningful value for this metric, which is reflective of physical CPU allocation (regardless of virtualization setup) and does not exceed 100%.

Customers who prefer using the old formula from the legacy agent (delivered with the Cartridge for Operating Systems) can revert to the old calculation by using the following formulas:

•

For capped lpar:

CPU Utilization (oldMetric) = Physical CPU Utilization (newMetric)/entitlement

•

For uncapped lpar:

•

if virtualCPUs >= physicalCPUs

oldMetric = (newMetric*physicalCPUs)/entitlement

•

if virtualCPUs < physicalCPUs

oldMetric = (newMetric*virtualCPUs)/entitlement

HostNetwork topology object

There is a single HostNetwork instance attached to a host that provides host level summary metrics for the network interfaces on the host. The HostNetwork instance is identified by the reference to the associated Host object and has its name set with the constant string Network.

Table 38. HostNetwork topology object
Metric Name	Metric Description	Metric Collected for These Platforms
packetsReceived	The total number of packets received on all interfaces (count/second). NOTE: IntelliProfile thresholds are defined for this metric. For details, review the thresholds list in the Manage Thresholds dashboard.	AIX® HP-UX Linux® Solaris® Windows®
packetsSent	The total number of packets sent on all interfaces (count/second). NOTE: IntelliProfile thresholds are defined for this metric. For details, review the thresholds list in the Manage Thresholds dashboard.	AIX HP-UX Linux Solaris Windows
receiveRate	The combined receive rate on all network interfaces (bit/second). NOTE: IntelliProfile thresholds are defined for this metric. For details, review the thresholds list in the Manage Thresholds dashboard.	AIX HP-UX Linux Solaris Windows
sendRate	The combined send rate on all network interfaces (bit/second). NOTE: IntelliProfile thresholds are defined for this metric. For details, review the thresholds list in the Manage Thresholds dashboard.	AIX HP-UX Linux Solaris Windows
tcpConnectionsActive	The number of open and active TCP connections.	AIX HP-UX Linux Solaris Windows
tcpConnectionsEstablished	The number of TCP connections last observed to be in the ESTABLISHED or CLOSE-WAIT state.	AIX HP-UX Linux Solaris Windows
tcpConnectionsFailures	The number of TCP connections that have failed since the service was started. TCP considers a connection as failed when it goes directly from sending (SYN-SENT) or receiving (SYN-RCVD) to closed (CLOSED) state, or from receiving (SYN-RCVD) to listening (LISTEN).	AIX HP-UX Linux Solaris Windows
tcpConnectionsPassive	The number of open and passive TCP connections.	AIX HP-UX Linux Solaris Windows
tcpConnectionsReset	The number of connections that have been reset since the service was started (regardless of when the System Monitor was started). TCP considers a connection as reset when it goes directly from ESTABLISHED or CLOSE-WAIT to CLOSED state. In Linux, this number represents the count of receiving resets.	AIX HP-UX Linux Solaris Windows
transferRate	The total rate on all transfers on all network interfaces (bit/second).	AIX HP-UX Linux Solaris Windows
utilization	The average utilization of network interfaces on the host. NOTE: IntelliProfile thresholds are defined for this metric. For details, review the thresholds list in the Manage Thresholds dashboard.	AIX HP-UX Linux¹ Solaris Windows

This metric is unavailable when the network card’s maximum bandwidth is not reported by the kernel.

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Foglight for Infrastructure 5.9.2 - User Guide

Host topology object

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