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Expose XFS inode statistics (#1869) (#1870)

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* Expose XFS inode statistics (#1869)

Also fixes #1177

@SuperQ @discordianfish

Signed-off-by: Ondrej Baudys <obaudys@gmail.com>
Co-authored-by: obaudys@gmail.com <ondrej.baudys@nextgen.net>
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Ondrej Baudys 2020-10-23 02:44:33 +10:30 committed by GitHub
parent dbf8c709ad
commit ed10485073
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1
CHANGELOG.md
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@ -4,6 +4,7 @@
* [CHANGE]
* [FEATURE]
* [ENHANCEMENT] Include TCP OutRsts in netstat metrics
* [ENHANCEMENT] Added XFS inode operations to XFS metrics
* [BUGFIX]
## 1.0.1 / 2020-06-15

22
collector/fixtures/e2e-64k-page-output.txt
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@ -2806,6 +2806,28 @@ node_xfs_extent_allocation_extents_allocated_total{device="sda1"} 1
# HELP node_xfs_extent_allocation_extents_freed_total Number of extents freed for a filesystem.
# TYPE node_xfs_extent_allocation_extents_freed_total counter
node_xfs_extent_allocation_extents_freed_total{device="sda1"} 0
# HELP node_xfs_inode_operation_attempts_total Number of times the OS looked for an XFS inode in the inode cache.
# TYPE node_xfs_inode_operation_attempts_total counter
node_xfs_inode_operation_attempts_total{device="sda1"} 5
# HELP node_xfs_inode_operation_attribute_changes_total Number of times the OS explicitly changed the attributes of an XFS inode.
# TYPE node_xfs_inode_operation_attribute_changes_total counter
node_xfs_inode_operation_attribute_changes_total{device="sda1"} 1
# HELP node_xfs_inode_operation_duplicates_total Number of times the OS tried to add a missing XFS inode to the inode cache, but found it had already been added by another process.
# TYPE node_xfs_inode_operation_duplicates_total counter
node_xfs_inode_operation_duplicates_total{device="sda1"} 0
# HELP node_xfs_inode_operation_found_total Number of times the OS looked for and found an XFS inode in the inode cache.
# TYPE node_xfs_inode_operation_found_total counter
node_xfs_inode_operation_found_total{device="sda1"} 1
# HELP node_xfs_inode_operation_missed_total Number of times the OS looked for an XFS inode in the cache, but did not find it.
# TYPE node_xfs_inode_operation_missed_total counter
node_xfs_inode_operation_missed_total{device="sda1"} 4
# HELP node_xfs_inode_operation_reclaims_total Number of times the OS reclaimed an XFS inode from the inode cache to free memory for another purpose.
# TYPE node_xfs_inode_operation_reclaims_total counter
node_xfs_inode_operation_reclaims_total{device="sda1"} 0
# HELP node_xfs_inode_operation_recycled_total Number of times the OS found an XFS inode in the cache, but could not use it as it was being recycled.
# TYPE node_xfs_inode_operation_recycled_total counter
node_xfs_inode_operation_recycled_total{device="sda1"} 0
# HELP node_xfs_read_calls_total Number of read(2) system calls made to files in a filesystem.
# HELP node_xfs_read_calls_total Number of read(2) system calls made to files in a filesystem.
# TYPE node_xfs_read_calls_total counter
node_xfs_read_calls_total{device="sda1"} 28

21
collector/fixtures/e2e-output.txt
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@ -2941,6 +2941,27 @@ node_xfs_extent_allocation_extents_allocated_total{device="sda1"} 1
# HELP node_xfs_extent_allocation_extents_freed_total Number of extents freed for a filesystem.
# TYPE node_xfs_extent_allocation_extents_freed_total counter
node_xfs_extent_allocation_extents_freed_total{device="sda1"} 0
# HELP node_xfs_inode_operation_attempts_total Number of times the OS looked for an XFS inode in the inode cache.
# TYPE node_xfs_inode_operation_attempts_total counter
node_xfs_inode_operation_attempts_total{device="sda1"} 5
# HELP node_xfs_inode_operation_attribute_changes_total Number of times the OS explicitly changed the attributes of an XFS inode.
# TYPE node_xfs_inode_operation_attribute_changes_total counter
node_xfs_inode_operation_attribute_changes_total{device="sda1"} 1
# HELP node_xfs_inode_operation_duplicates_total Number of times the OS tried to add a missing XFS inode to the inode cache, but found it had already been added by another process.
# TYPE node_xfs_inode_operation_duplicates_total counter
node_xfs_inode_operation_duplicates_total{device="sda1"} 0
# HELP node_xfs_inode_operation_found_total Number of times the OS looked for and found an XFS inode in the inode cache.
# TYPE node_xfs_inode_operation_found_total counter
node_xfs_inode_operation_found_total{device="sda1"} 1
# HELP node_xfs_inode_operation_missed_total Number of times the OS looked for an XFS inode in the cache, but did not find it.
# TYPE node_xfs_inode_operation_missed_total counter
node_xfs_inode_operation_missed_total{device="sda1"} 4
# HELP node_xfs_inode_operation_reclaims_total Number of times the OS reclaimed an XFS inode from the inode cache to free memory for another purpose.
# TYPE node_xfs_inode_operation_reclaims_total counter
node_xfs_inode_operation_reclaims_total{device="sda1"} 0
# HELP node_xfs_inode_operation_recycled_total Number of times the OS found an XFS inode in the cache, but could not use it as it was being recycled.
# TYPE node_xfs_inode_operation_recycled_total counter
node_xfs_inode_operation_recycled_total{device="sda1"} 0
# HELP node_xfs_read_calls_total Number of read(2) system calls made to files in a filesystem.
# TYPE node_xfs_read_calls_total counter
node_xfs_read_calls_total{device="sda1"} 28

35
collector/xfs_linux.go
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@ -199,6 +199,41 @@ func (c *xfsCollector) updateXFSStats(ch chan<- prometheus.Metric, s *xfs.Stats)
desc: "Number of times the directory getdents operation was performed for a filesystem.",
value: float64(s.DirectoryOperation.Getdents),
},
{
name: "inode_operation_attempts_total",
desc: "Number of times the OS looked for an XFS inode in the inode cache.",
value: float64(s.InodeOperation.Attempts),
},
{
name: "inode_operation_found_total",
desc: "Number of times the OS looked for and found an XFS inode in the inode cache.",
value: float64(s.InodeOperation.Found),
},
{
name: "inode_operation_recycled_total",
desc: "Number of times the OS found an XFS inode in the cache, but could not use it as it was being recycled.",
value: float64(s.InodeOperation.Recycle),
},
{
name: "inode_operation_missed_total",
desc: "Number of times the OS looked for an XFS inode in the cache, but did not find it.",
value: float64(s.InodeOperation.Missed),
},
{
name: "inode_operation_duplicates_total",
desc: "Number of times the OS tried to add a missing XFS inode to the inode cache, but found it had already been added by another process.",
value: float64(s.InodeOperation.Duplicate),
},
{
name: "inode_operation_reclaims_total",
desc: "Number of times the OS reclaimed an XFS inode from the inode cache to free memory for another purpose.",
value: float64(s.InodeOperation.Reclaims),
},
{
name: "inode_operation_attribute_changes_total",
desc: "Number of times the OS explicitly changed the attributes of an XFS inode.",
value: float64(s.InodeOperation.AttributeChange),
},
{
name: "read_calls_total",
desc: "Number of read(2) system calls made to files in a filesystem.",