metrics.md

KubeVirt metrics

This document aims to help users that are not familiar with all metrics exposed by different KubeVirt components. All metrics documented here are auto-generated by the utility tool tools/doc-generator and reflects exactly what is being exposed.

KubeVirt Metrics List

kubevirt_info

Version information.

kubevirt_allocatable_nodes

The number of allocatable nodes in the cluster. Type: Gauge.

kubevirt_api_request_deprecated_total

The total number of requests to deprecated KubeVirt APIs. Type: Counter.

kubevirt_configuration_emulation_enabled

Indicates whether the Software Emulation is enabled in the configuration. Type: Gauge.

kubevirt_nodes_with_kvm

The number of nodes in the cluster that have the devices.kubevirt.io/kvm resource available. Type: Gauge.

kubevirt_number_of_vms

The number of VMs in the cluster by namespace. Type: Gauge.

kubevirt_virt_api_up

The number of virt-api pods that are up. Type: Gauge.

kubevirt_virt_controller_leading_status

Indication for an operating virt-controller. Type: Gauge.

kubevirt_virt_controller_ready

The number of virt-controller pods that are ready. Type: Gauge.

kubevirt_virt_controller_ready_status

Indication for a virt-controller that is ready to take the lead. Type: Gauge.

kubevirt_virt_controller_up

The number of virt-controller pods that are up. Type: Gauge.

kubevirt_virt_handler_up

The number of virt-handler pods that are up. Type: Gauge.

kubevirt_virt_operator_leading

The number of virt-operator pods that are leading. Type: Gauge.

kubevirt_virt_operator_leading_status

Indication for an operating virt-operator. Type: Gauge.

kubevirt_virt_operator_ready

The number of virt-operator pods that are ready. Type: Gauge.

kubevirt_virt_operator_ready_status

Indication for a virt-operator that is ready to take the lead. Type: Gauge.

kubevirt_virt_operator_up

The number of virt-operator pods that are up. Type: Gauge.

kubevirt_vm_container_free_memory_bytes_based_on_rss

The current available memory of the VM containers based on the rss. Type: Gauge.

kubevirt_vm_container_free_memory_bytes_based_on_working_set_bytes

The current available memory of the VM containers based on the working set. Type: Gauge.

kubevirt_vm_error_status_last_transition_timestamp_seconds

Virtual Machine last transition timestamp to error status. Type: Counter.

kubevirt_vm_migrating_status_last_transition_timestamp_seconds

Virtual Machine last transition timestamp to migrating status. Type: Counter.

kubevirt_vm_non_running_status_last_transition_timestamp_seconds

Virtual Machine last transition timestamp to paused/stopped status. Type: Counter.

kubevirt_vm_running_status_last_transition_timestamp_seconds

Virtual Machine last transition timestamp to running status. Type: Counter.

kubevirt_vm_starting_status_last_transition_timestamp_seconds

Virtual Machine last transition timestamp to starting status. Type: Counter.

kubevirt_vmi_cpu_system_usage_seconds_total

Total CPU time spent in system mode. Type: Counter.

kubevirt_vmi_cpu_usage_seconds_total

Total CPU time spent in all modes (sum of both vcpu and hypervisor usage). Type: Counter.

kubevirt_vmi_cpu_user_usage_seconds_total

Total CPU time spent in user mode. Type: Counter.

kubevirt_vmi_filesystem_capacity_bytes

Total VM filesystem capacity in bytes. Type: Gauge.

kubevirt_vmi_filesystem_used_bytes

Used VM filesystem capacity in bytes. Type: Gauge.

kubevirt_vmi_memory_actual_balloon_bytes

Current balloon size in bytes. Type: Gauge.

kubevirt_vmi_memory_available_bytes

Amount of usable memory as seen by the domain. This value may not be accurate if a balloon driver is in use or if the guest OS does not initialize all assigned pages Type: Gauge.

kubevirt_vmi_memory_cached_bytes

The amount of memory that is being used to cache I/O and is available to be reclaimed, corresponds to the sum of Buffers + Cached + SwapCached in /proc/meminfo. Type: Gauge.

kubevirt_vmi_memory_domain_bytes

The amount of memory in bytes allocated to the domain. The memory value in domain xml file. Type: Gauge.

kubevirt_vmi_memory_pgmajfault_total

The number of page faults when disk IO was required. Page faults occur when a process makes a valid access to virtual memory that is not available. When servicing the page fault, if disk IO is required, it is considered as major fault. Type: Counter.

kubevirt_vmi_memory_pgminfault_total

The number of other page faults, when disk IO was not required. Page faults occur when a process makes a valid access to virtual memory that is not available. When servicing the page fault, if disk IO is NOT required, it is considered as minor fault. Type: Counter.

kubevirt_vmi_memory_resident_bytes

Resident set size of the process running the domain. Type: Gauge.

kubevirt_vmi_memory_swap_in_traffic_bytes

The total amount of data read from swap space of the guest in bytes. Type: Gauge.

kubevirt_vmi_memory_swap_out_traffic_bytes

The total amount of memory written out to swap space of the guest in bytes. Type: Gauge.

kubevirt_vmi_memory_unused_bytes

The amount of memory left completely unused by the system. Memory that is available but used for reclaimable caches should NOT be reported as free. Type: Gauge.

kubevirt_vmi_memory_usable_bytes

The amount of memory which can be reclaimed by balloon without pushing the guest system to swap, corresponds to 'Available' in /proc/meminfo Type: Gauge.

kubevirt_vmi_memory_used_bytes

Amount of used memory as seen by the domain. Type: Gauge.

kubevirt_vmi_migration_data_processed_bytes

The total Guest OS data processed and migrated to the new VM. Type: Gauge.

kubevirt_vmi_migration_data_remaining_bytes

The remaining guest OS data to be migrated to the new VM. Type: Gauge.

kubevirt_vmi_migration_dirty_memory_rate_bytes

The rate of memory being dirty in the Guest OS. Type: Gauge.

kubevirt_vmi_migration_disk_transfer_rate_bytes

The rate at which the memory is being transferred. Type: Gauge.

kubevirt_vmi_migration_failed

Indicates if the VMI migration failed. Type: Gauge.

kubevirt_vmi_migration_phase_transition_time_from_creation_seconds

Histogram of VM migration phase transitions duration from creation time in seconds. Type: Histogram.

kubevirt_vmi_migration_succeeded

Indicates if the VMI migration succeeded. Type: Gauge.

kubevirt_vmi_migrations_in_pending_phase

Number of current pending migrations. Type: Gauge.

kubevirt_vmi_migrations_in_running_phase

Number of current running migrations. Type: Gauge.

kubevirt_vmi_migrations_in_scheduling_phase

Number of current scheduling migrations. Type: Gauge.

kubevirt_vmi_network_receive_bytes_total

Total network traffic received in bytes. Type: Counter.

kubevirt_vmi_network_receive_errors_total

Total network received error packets. Type: Counter.

kubevirt_vmi_network_receive_packets_dropped_total

The total number of rx packets dropped on vNIC interfaces. Type: Counter.

kubevirt_vmi_network_receive_packets_total

Total network traffic received packets. Type: Counter.

kubevirt_vmi_network_traffic_bytes_total

Deprecated. Type: Counter.

kubevirt_vmi_network_transmit_bytes_total

Total network traffic transmitted in bytes. Type: Counter.

kubevirt_vmi_network_transmit_errors_total

Total network transmitted error packets. Type: Counter.

kubevirt_vmi_network_transmit_packets_dropped_total

The total number of tx packets dropped on vNIC interfaces. Type: Counter.

kubevirt_vmi_network_transmit_packets_total

Total network traffic transmitted packets. Type: Counter.

kubevirt_vmi_node_cpu_affinity

Number of VMI CPU affinities to node physical cores. Type: Gauge.

kubevirt_vmi_non_evictable

Indication for a VirtualMachine that its eviction strategy is set to Live Migration but is not migratable. Type: Gauge.

kubevirt_vmi_number_of_outdated

Indication for the total number of VirtualMachineInstance workloads that are not running within the most up-to-date version of the virt-launcher environment. Type: Gauge.

kubevirt_vmi_phase_count

Sum of VMIs per phase and node. phase can be one of the following: [Pending, Scheduling, Scheduled, Running, Succeeded, Failed, Unknown]. Type: Gauge.

kubevirt_vmi_phase_transition_time_from_creation_seconds

Histogram of VM phase transitions duration from creation time in seconds. Type: Histogram.

kubevirt_vmi_phase_transition_time_from_deletion_seconds

Histogram of VM phase transitions duration from deletion time in seconds. Type: Histogram.

kubevirt_vmi_phase_transition_time_seconds

Histogram of VM phase transitions duration between different phases in seconds. Type: Histogram.

kubevirt_vmi_storage_flush_requests_total

Total storage flush requests. Type: Counter.

kubevirt_vmi_storage_flush_times_seconds_total

Total time spent on cache flushing. Type: Counter.

kubevirt_vmi_storage_iops_read_total

Total number of I/O read operations. Type: Counter.

kubevirt_vmi_storage_iops_write_total

Total number of I/O write operations. Type: Counter.

kubevirt_vmi_storage_read_times_seconds_total

Total time spent on read operations. Type: Counter.

kubevirt_vmi_storage_read_traffic_bytes_total

Total number of bytes read from storage. Type: Counter.

kubevirt_vmi_storage_write_times_seconds_total

Total time spent on write operations. Type: Counter.

kubevirt_vmi_storage_write_traffic_bytes_total

Total number of written bytes. Type: Counter.

kubevirt_vmi_vcpu_delay_seconds_total

Amount of time spent by each vcpu waiting in the queue instead of running. Type: Counter.

kubevirt_vmi_vcpu_seconds_total

Total amount of time spent in each state by each vcpu (cpu_time excluding hypervisor time). Where id is the vcpu identifier and state can be one of the following: [OFFLINE, RUNNING, BLOCKED]. Type: Counter.

kubevirt_vmi_vcpu_wait_seconds_total

Amount of time spent by each vcpu while waiting on I/O. Type: Counter.

kubevirt_vmsnapshot_disks_restored_from_source

Returns the total number of virtual machine disks restored from the source virtual machine. Type: Gauge.

kubevirt_vmsnapshot_disks_restored_from_source_bytes

Returns the amount of space in bytes restored from the source virtual machine. Type: Gauge.

kubevirt_vmsnapshot_persistentvolumeclaim_labels

Returns the labels of the persistent volume claims that are used for restoring virtual machines. Type: Info.

Developing new metrics

After developing new metrics or changing old ones, please run make generate to regenerate this document.

If you feel that the new metric doesn't follow these rules, please change doc-generator with your needs.