linux fields
editlinux fields
editlinux module
linux
editlinux system metrics
conntrack
editconntrack
summary
editsummary of nf_conntrack statistics, summed across CPU cores
-
linux.conntrack.summary.drop
-
packets dropped due to conntrack failiure
type: long
-
linux.conntrack.summary.early_drop
-
conntrack entries dropped to make room for new ones
type: long
-
linux.conntrack.summary.entries
-
entries in the conntrack table
type: long
-
linux.conntrack.summary.found
-
successfully searched entries
type: long
-
linux.conntrack.summary.ignore
-
packets seen already connected to a conntrack entry
type: long
-
linux.conntrack.summary.insert_failed
-
Number of entries where list insert insert failed
type: long
-
linux.conntrack.summary.invalid
-
packets seen that cannot be tracked
type: long
-
linux.conntrack.summary.search_restart
-
table lookups which had to be restarted due to table resizes
type: long
iostat
editiostat
-
linux.iostat.read.request.merges_per_sec
-
The number of read requests merged per second that were queued to the device.
type: float
-
linux.iostat.write.request.merges_per_sec
-
The number of write requests merged per second that were queued to the device.
type: float
-
linux.iostat.read.request.per_sec
-
The number of read requests that were issued to the device per second
type: float
-
linux.iostat.write.request.per_sec
-
The number of write requests that were issued to the device per second
type: float
-
linux.iostat.read.per_sec.bytes
-
The number of Bytes read from the device per second.
type: float
format: bytes
-
linux.iostat.read.await
-
The average time spent for read requests issued to the device to be served.
type: float
-
linux.iostat.write.per_sec.bytes
-
The number of Bytes write from the device per second.
type: float
format: bytes
-
linux.iostat.write.await
-
The average time spent for write requests issued to the device to be served.
type: float
-
linux.iostat.request.avg_size
-
The average size (in bytes) of the requests that were issued to the device.
type: float
-
linux.iostat.queue.avg_size
-
The average queue length of the requests that were issued to the device.
type: float
-
linux.iostat.await
-
The average time spent for requests issued to the device to be served.
type: float
-
linux.iostat.service_time
-
The average service time (in milliseconds) for I/O requests that were issued to the device.
type: float
-
linux.iostat.busy
-
Percentage of CPU time during which I/O requests were issued to the device (bandwidth utilization for the device). Device saturation occurs when this value is close to 100%.
type: float
ksm
editksm
stats
editKSM statistics
-
linux.ksm.stats.pages_shared
-
Shared pages in use.
type: long
-
linux.ksm.stats.pages_sharing
-
Sites sharing pages.
type: long
-
linux.ksm.stats.pages_unshared
-
Unique pages.
type: long
-
linux.ksm.stats.full_scans
-
Number of times mergable pages have been scanned.
type: long
-
linux.ksm.stats.stable_node_chains
-
Pages that have reached max_page_sharing.
type: long
-
linux.ksm.stats.stable_node_dups
-
Number of duplicated KSM pages.
type: long
memory
editLinux memory data
page_stats
editmemory page statistics
-
linux.memory.page_stats.pgscan_kswapd.pages
-
pages scanned by kswapd
type: long
format: number
-
linux.memory.page_stats.pgscan_direct.pages
-
pages scanned directly
type: long
format: number
-
linux.memory.page_stats.pgfree.pages
-
pages freed by the system
type: long
format: number
-
linux.memory.page_stats.pgsteal_kswapd.pages
-
number of pages reclaimed by kswapd
type: long
format: number
-
linux.memory.page_stats.pgsteal_direct.pages
-
number of pages reclaimed directly
type: long
format: number
-
linux.memory.page_stats.direct_efficiency.pct
-
direct reclaim efficiency percentage. A lower percentage indicates the system is struggling to reclaim memory.
type: scaled_float
format: percent
-
linux.memory.page_stats.kswapd_efficiency.pct
-
kswapd reclaim efficiency percentage. A lower percentage indicates the system is struggling to reclaim memory.
type: scaled_float
format: percent
hugepages
editThis group contains statistics related to huge pages usage on the system.
-
linux.memory.hugepages.total
-
Number of huge pages in the pool.
type: long
format: number
-
linux.memory.hugepages.used.bytes
-
Memory used in allocated huge pages.
type: long
format: bytes
-
linux.memory.hugepages.used.pct
-
Percentage of huge pages used.
type: long
format: percent
-
linux.memory.hugepages.free
-
Number of available huge pages in the pool.
type: long
format: number
-
linux.memory.hugepages.reserved
-
Number of reserved but not allocated huge pages in the pool.
type: long
format: number
-
linux.memory.hugepages.surplus
-
Number of overcommited huge pages.
type: long
format: number
-
linux.memory.hugepages.default_size
-
Default size for huge pages.
type: long
format: bytes
pageinfo
editpageinfo
buddy_info
editData from /proc/buddyinfo grouping used pages by order
DMA
editDMA page Data
-
linux.pageinfo.buddy_info.DMA.0
-
free chunks of 2^0*PAGE_SIZE
type: long
-
linux.pageinfo.buddy_info.DMA.1
-
free chunks of 2^1*PAGE_SIZE
type: long
-
linux.pageinfo.buddy_info.DMA.2
-
free chunks of 2^2*PAGE_SIZE
type: long
-
linux.pageinfo.buddy_info.DMA.3
-
free chunks of 2^3*PAGE_SIZE
type: long
-
linux.pageinfo.buddy_info.DMA.4
-
free chunks of 2^4*PAGE_SIZE
type: long
-
linux.pageinfo.buddy_info.DMA.5
-
free chunks of 2^5*PAGE_SIZE
type: long
-
linux.pageinfo.buddy_info.DMA.6
-
free chunks of 2^6*PAGE_SIZE
type: long
-
linux.pageinfo.buddy_info.DMA.7
-
free chunks of 2^7*PAGE_SIZE
type: long
-
linux.pageinfo.buddy_info.DMA.8
-
free chunks of 2^8*PAGE_SIZE
type: long
-
linux.pageinfo.buddy_info.DMA.9
-
free chunks of 2^9*PAGE_SIZE
type: long
-
linux.pageinfo.buddy_info.DMA.10
-
free chunks of 2^10*PAGE_SIZE
type: long
-
linux.pageinfo.nodes.*
-
Raw allocation info from /proc/pagetypeinfo
type: object