--- title: Telegraf Documentation description: Telegraf plugin for collecting metrics from Kernel VM Statistics url: https://docs.influxdata.com/telegraf/v1/input-plugins/kernel_vmstat/ estimated_tokens: 2592 product: Telegraf version: v1 --- - Telegraf v1.0.0+ # Kernel VM Statistics Input Plugin This plugin gathers virtual memory statistics of the [Linux kernel](https://kernel.org/) by reading `/proc/vmstat`. For a full list of available fields check the `/proc/vmstat` section of the [proc man page](http://man7.org/linux/man-pages/man5/proc.5.html) and for a detailed description about the fields see the [vmstat man page](https://man7.org/linux/man-pages/man8/vmstat.8.html). **Introduced in:** Telegraf v1.0.0 **Tags:** system **OS support:** linux ## Global configuration options Plugins support additional global and plugin configuration settings for tasks such as modifying metrics, tags, and fields, creating aliases, and configuring plugin ordering. See [CONFIGURATION.md](/telegraf/v1/configuration/#plugins) for more details. ## Configuration ```toml # Get kernel statistics from /proc/vmstat # This plugin ONLY supports Linux [[inputs.kernel_vmstat]] # no configuration ``` ## Metrics - kernel\_vmstat - nr\_free\_pages (integer, `nr_free_pages`) - nr\_inactive\_anon (integer, `nr_inactive_anon`) - nr\_active\_anon (integer, `nr_active_anon`) - nr\_inactive\_file (integer, `nr_inactive_file`) - nr\_active\_file (integer, `nr_active_file`) - nr\_unevictable (integer, `nr_unevictable`) - nr\_mlock (integer, `nr_mlock`) - nr\_anon\_pages (integer, `nr_anon_pages`) - nr\_mapped (integer, `nr_mapped`) - nr\_file\_pages (integer, `nr_file_pages`) - nr\_dirty (integer, `nr_dirty`) - nr\_writeback (integer, `nr_writeback`) - nr\_slab\_reclaimable (integer, `nr_slab_reclaimable`) - nr\_slab\_unreclaimable (integer, `nr_slab_unreclaimable`) - nr\_page\_table\_pages (integer, `nr_page_table_pages`) - nr\_kernel\_stack (integer, `nr_kernel_stack`) - nr\_unstable (integer, `nr_unstable`) - nr\_bounce (integer, `nr_bounce`) - nr\_vmscan\_write (integer, `nr_vmscan_write`) - nr\_writeback\_temp (integer, `nr_writeback_temp`) - nr\_isolated\_anon (integer, `nr_isolated_anon`) - nr\_isolated\_file (integer, `nr_isolated_file`) - nr\_shmem (integer, `nr_shmem`) - numa\_hit (integer, `numa_hit`) - numa\_miss (integer, `numa_miss`) - numa\_foreign (integer, `numa_foreign`) - numa\_interleave (integer, `numa_interleave`) - numa\_local (integer, `numa_local`) - numa\_other (integer, `numa_other`) - nr\_anon\_transparent\_hugepages (integer, `nr_anon_transparent_hugepages`) - pgpgin (integer, `pgpgin`) - pgpgout (integer, `pgpgout`) - pswpin (integer, `pswpin`) - pswpout (integer, `pswpout`) - pgalloc\_dma (integer, `pgalloc_dma`) - pgalloc\_dma32 (integer, `pgalloc_dma32`) - pgalloc\_normal (integer, `pgalloc_normal`) - pgalloc\_movable (integer, `pgalloc_movable`) - pgfree (integer, `pgfree`) - pgactivate (integer, `pgactivate`) - pgdeactivate (integer, `pgdeactivate`) - pgfault (integer, `pgfault`) - pgmajfault (integer, `pgmajfault`) - pgrefill\_dma (integer, `pgrefill_dma`) - pgrefill\_dma32 (integer, `pgrefill_dma32`) - pgrefill\_normal (integer, `pgrefill_normal`) - pgrefill\_movable (integer, `pgrefill_movable`) - pgsteal\_dma (integer, `pgsteal_dma`) - pgsteal\_dma32 (integer, `pgsteal_dma32`) - pgsteal\_normal (integer, `pgsteal_normal`) - pgsteal\_movable (integer, `pgsteal_movable`) - pgscan\_kswapd\_dma (integer, `pgscan_kswapd_dma`) - pgscan\_kswapd\_dma32 (integer, `pgscan_kswapd_dma32`) - pgscan\_kswapd\_normal (integer, `pgscan_kswapd_normal`) - pgscan\_kswapd\_movable (integer, `pgscan_kswapd_movable`) - pgscan\_direct\_dma (integer, `pgscan_direct_dma`) - pgscan\_direct\_dma32 (integer, `pgscan_direct_dma32`) - pgscan\_direct\_normal (integer, `pgscan_direct_normal`) - pgscan\_direct\_movable (integer, `pgscan_direct_movable`) - zone\_reclaim\_failed (integer, `zone_reclaim_failed`) - pginodesteal (integer, `pginodesteal`) - slabs\_scanned (integer, `slabs_scanned`) - kswapd\_steal (integer, `kswapd_steal`) - kswapd\_inodesteal (integer, `kswapd_inodesteal`) - kswapd\_low\_wmark\_hit\_quickly (integer, `kswapd_low_wmark_hit_quickly`) - kswapd\_high\_wmark\_hit\_quickly (integer, `kswapd_high_wmark_hit_quickly`) - kswapd\_skip\_congestion\_wait (integer, `kswapd_skip_congestion_wait`) - pageoutrun (integer, `pageoutrun`) - allocstall (integer, `allocstall`) - pgrotated (integer, `pgrotated`) - compact\_blocks\_moved (integer, `compact_blocks_moved`) - compact\_pages\_moved (integer, `compact_pages_moved`) - compact\_pagemigrate\_failed (integer, `compact_pagemigrate_failed`) - compact\_stall (integer, `compact_stall`) - compact\_fail (integer, `compact_fail`) - compact\_success (integer, `compact_success`) - htlb\_buddy\_alloc\_success (integer, `htlb_buddy_alloc_success`) - htlb\_buddy\_alloc\_fail (integer, `htlb_buddy_alloc_fail`) - unevictable\_pgs\_culled (integer, `unevictable_pgs_culled`) - unevictable\_pgs\_scanned (integer, `unevictable_pgs_scanned`) - unevictable\_pgs\_rescued (integer, `unevictable_pgs_rescued`) - unevictable\_pgs\_mlocked (integer, `unevictable_pgs_mlocked`) - unevictable\_pgs\_munlocked (integer, `unevictable_pgs_munlocked`) - unevictable\_pgs\_cleared (integer, `unevictable_pgs_cleared`) - unevictable\_pgs\_stranded (integer, `unevictable_pgs_stranded`) - unevictable\_pgs\_mlockfreed (integer, `unevictable_pgs_mlockfreed`) - thp\_fault\_alloc (integer, `thp_fault_alloc`) - thp\_fault\_fallback (integer, `thp_fault_fallback`) - thp\_collapse\_alloc (integer, `thp_collapse_alloc`) - thp\_collapse\_alloc\_failed (integer, `thp_collapse_alloc_failed`) - thp\_split (integer, `thp_split`) ## Example Output ```text kernel_vmstat allocstall=81496i,compact_blocks_moved=238196i,compact_fail=135220i,compact_pagemigrate_failed=0i,compact_pages_moved=6370588i,compact_stall=142092i,compact_success=6872i,htlb_buddy_alloc_fail=0i,htlb_buddy_alloc_success=0i,kswapd_high_wmark_hit_quickly=25439i,kswapd_inodesteal=29770874i,kswapd_low_wmark_hit_quickly=8756i,kswapd_skip_congestion_wait=0i,kswapd_steal=291534428i,nr_active_anon=2515657i,nr_active_file=2244914i,nr_anon_pages=1358675i,nr_anon_transparent_hugepages=2034i,nr_bounce=0i,nr_dirty=5690i,nr_file_pages=5153546i,nr_free_pages=78730i,nr_inactive_anon=426259i,nr_inactive_file=2366791i,nr_isolated_anon=0i,nr_isolated_file=0i,nr_kernel_stack=579i,nr_mapped=558821i,nr_mlock=0i,nr_page_table_pages=11115i,nr_shmem=541689i,nr_slab_reclaimable=459806i,nr_slab_unreclaimable=47859i,nr_unevictable=0i,nr_unstable=0i,nr_vmscan_write=6206i,nr_writeback=0i,nr_writeback_temp=0i,numa_foreign=0i,numa_hit=5113399878i,numa_interleave=35793i,numa_local=5113399878i,numa_miss=0i,numa_other=0i,pageoutrun=505006i,pgactivate=375664931i,pgalloc_dma=0i,pgalloc_dma32=122480220i,pgalloc_movable=0i,pgalloc_normal=5233176719i,pgdeactivate=122735906i,pgfault=8699921410i,pgfree=5359765021i,pginodesteal=9188431i,pgmajfault=122210i,pgpgin=219717626i,pgpgout=3495885510i,pgrefill_dma=0i,pgrefill_dma32=1180010i,pgrefill_movable=0i,pgrefill_normal=119866676i,pgrotated=60620i,pgscan_direct_dma=0i,pgscan_direct_dma32=12256i,pgscan_direct_movable=0i,pgscan_direct_normal=31501600i,pgscan_kswapd_dma=0i,pgscan_kswapd_dma32=4480608i,pgscan_kswapd_movable=0i,pgscan_kswapd_normal=287857984i,pgsteal_dma=0i,pgsteal_dma32=4466436i,pgsteal_movable=0i,pgsteal_normal=318463755i,pswpin=2092i,pswpout=6206i,slabs_scanned=93775616i,thp_collapse_alloc=24857i,thp_collapse_alloc_failed=102214i,thp_fault_alloc=346219i,thp_fault_fallback=895453i,thp_split=9817i,unevictable_pgs_cleared=0i,unevictable_pgs_culled=1531i,unevictable_pgs_mlocked=6988i,unevictable_pgs_mlockfreed=0i,unevictable_pgs_munlocked=6988i,unevictable_pgs_rescued=5426i,unevictable_pgs_scanned=0i,unevictable_pgs_stranded=0i,zone_reclaim_failed=0i 1459455200071462843 ``` #### Related - [Configure plugins](/telegraf/v1/configure_plugins/) - [Kernel VM Statistics Plugin Source](https://github.com/influxdata/telegraf/tree/v1.38.4/plugins/inputs/kernel_vmstat/README.md)