Description: LXD provides a number of instance metrics and internal metrics. See How to monitor metrics for instructions on how to work with these metrics. Instance metrics: The following instance metrics are p...

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# Provided metrics

LXD provides a number of instance metrics and internal metrics. See How to monitor metrics for instructions on how to work with these metrics.

## Instance metrics

The following instance metrics are provided:

Metric | Description
--- | ---
`lxd_cpu_effective_total` | Total number of effective CPUs
`lxd_cpu_seconds_total{cpu="<cpu>", mode="<mode>"}` | Total number of CPU time used (in seconds)
`lxd_disk_read_bytes_total{device="<dev>"}` | Total number of bytes read
`lxd_disk_reads_completed_total{device="<dev>"}` | Total number of completed reads
`lxd_disk_written_bytes_total{device="<dev>"}` | Total number of bytes written
`lxd_disk_writes_completed_total{device="<dev>"}` | Total number of completed writes
`lxd_filesystem_avail_bytes{device="<dev>",fstype="<type>"}` | Available space (in bytes)
`lxd_filesystem_free_bytes{device="<dev>",fstype="<type>"}` | Free space (in bytes)
`lxd_filesystem_size_bytes{device="<dev>",fstype="<type>"}` | Size of the file system (in bytes)
`lxd_memory_Active_anon_bytes` | Amount of anonymous memory on active LRU list
`lxd_memory_Active_bytes` | Amount of memory on active LRU list
`lxd_memory_Active_file_bytes` | Amount of file-backed memory on active LRU list
`lxd_memory_Cached_bytes` | Amount of cached memory
`lxd_memory_Dirty_bytes` | Amount of memory waiting to be written back to the disk
`lxd_memory_HugepagesFree_bytes` | Amount of free memory for `hugetlb`
`lxd_memory_HugepagesTotal_bytes` | Amount of used memory for `hugetlb`
`lxd_memory_Inactive_anon_bytes` | Amount of anonymous memory on inactive LRU list
`lxd_memory_Inactive_bytes` | Amount of memory on inactive LRU list
`lxd_memory_Inactive_file_bytes` | Amount of file-backed memory on inactive LRU list
`lxd_memory_Mapped_bytes` | Amount of mapped memory
`lxd_memory_MemAvailable_bytes` | Amount of available memory
`lxd_memory_MemFree_bytes` | Amount of free memory
`lxd_memory_MemTotal_bytes` | Amount of used memory
`lxd_memory_OOM_kills_total` | The number of out-of-memory kills
`lxd_memory_RSS_bytes` | Amount of anonymous and swap cache memory
`lxd_memory_Shmem_bytes` | Amount of cached file system data that is swap-backed
`lxd_memory_Swap_bytes` | Amount of used swap memory
`lxd_memory_Unevictable_bytes` | Amount of unevictable memory
`lxd_memory_Writeback_bytes` | Amount of memory queued for syncing to disk
`lxd_network_receive_bytes_total{device="<dev>"}` | Amount of received bytes on a given interface
`lxd_network_receive_drop_total{device="<dev>"}` | Amount of received dropped bytes on a given interface
`lxd_network_receive_errs_total{device="<dev>"}` | Amount of received errors on a given interface
`lxd_network_receive_packets_total{device="<dev>"}` | Amount of received packets on a given interface
`lxd_network_transmit_bytes_total{device="<dev>"}` | Amount of transmitted bytes on a given interface
`lxd_network_transmit_drop_total{device="<dev>"}` | Amount of transmitted dropped bytes on a given interface
`lxd_network_transmit_errs_total{device="<dev>"}` | Amount of transmitted errors on a given interface
`lxd_network_transmit_packets_total{device="<dev>"}` | Amount of transmitted packets on a given interface
`lxd_procs_total` | Number of running processes

## Internal metrics

The following internal metrics are provided:

Metric | Description
--- | ---
`lxd_go_alloc_bytes_total` | Total number of bytes allocated (even if freed)
`lxd_go_alloc_bytes` | Number of bytes allocated and still in use
`lxd_go_buck_hash_sys_bytes` | Number of bytes used by the profiling bucket hash table
`lxd_go_frees_total` | Total number of frees
`lxd_go_gc_sys_bytes` | Number of bytes used for garbage collection system metadata
`lxd_go_goroutines` | Number of goroutines that currently exist
`lxd_go_heap_alloc_bytes` | Number of heap bytes allocated and still in use
`lxd_go_heap_idle_bytes` | Number of heap bytes waiting to be used
`lxd_go_heap_inuse_bytes` | Number of heap bytes that are in use
`lxd_go_heap_objects` | Number of allocated objects
`lxd_go_heap_released_bytes` | Number of heap bytes released to OS
`lxd_go_heap_sys_bytes` | Number of heap bytes obtained from system
`lxd_go_lookups_total` | Total number of pointer lookups
`lxd_go_mallocs_total` | Total number of `mallocs`
`lxd_go_mcache_inuse_bytes` | Number of bytes in use by `mcache` structures
`lxd_go_mcache_sys_bytes` | Number of bytes used for `mcache` structures obtained from system
`lxd_go_mspan_inuse_bytes` | Number of bytes in use by `mspan` structures
`lxd_go_mspan_sys_bytes` | Number of bytes used for `mspan` structures obtained from system
`lxd_go_next_gc_bytes` | Number of heap bytes when next garbage collection will take place
`lxd_go_other_sys_bytes` | Number of bytes used for other system allocations
`lxd_go_stack_inuse_bytes` | Number of bytes in use by the stack allocator
`lxd_go_stack_sys_bytes` | Number of bytes obtained from system for stack allocator
`lxd_go_sys_bytes` | Number of bytes obtained from system
`lxd_operations_total` | Number of running operations
`lxd_uptime_seconds` | Daemon uptime (in seconds)
`lxd_warnings_total` | Number of active warnings

## Related topics

How-to guides:

- How to monitor metrics

Explanation:

- About performance tuning