eG Monitoring
 
Measures reported by LdomsGuestTest

This test monitors the amount of the physical server's resources that each guest on a Solaris LDoms server is taking up. Using the metrics reported by this test, administrators can determine which virtual guest is taking up most CPU, which guest is taking up the maximum memory, etc. Note that the amount of resources taken up by a guest will be limited by the resource allocations that have been made by administrators. For example, an administrator could cap the amount of memory that a specific guest may take.

 The measures made by this test are as follows:

Measurement Description Measurement Unit Interpretation
Powered_on Whether the logical domain is currently running on the Solaris LDoms server or no. Boolean The value 1 indicates that the guest is up and running. The value 0 could indicate that the guest has been powered-off; it could also indicate that the guest has been moved to a different server.

While the test reports a wide variety of other metrics too for virtual machines that are alive, only the powered on status is indicated for virtual machines that are currently not available.
Cpu_util Indicates the percentage of physical CPU used by the guest. Percent A high value for this measure indicates a virtual machine that one/more processes executing on the guest domain are using up too much physical CPU. Beside draining the server of its physical CPU resources, this can also affect the CPU allocations to other guests, thereby adversely impacting the performance of the applications on those guest domains.
Virtual_cpu_util Indicates the percentage of virtual CPU utilized by this guest domain. Percent A high value for this measure indicates that resource-intensive processes are executing on the guest domain.
VCpus_allocated Indicates the percentage of CPU resources allocated to the guest domain. Percent These measures help determine whether CPU allocations to the guest domain are commensurate to the current and expected processing load on the domain; over-allocations/under-allocations are thus brought to light.
Number_of_vcpus Indicates the number of CPUs allocated to the guest domain. Number
Memory_allocated Indicates the amount of physical memory currently allocated to the guest. MB These measures help determine whether memory allocations to the guest domain are commensurate to the memory requirements of the domain; over-allocations/under-allocations are thus brought to light.
Memory_alloc_percentage Indicates the percentage of total physical memory that is allocated to VM. Percent