diff options
Diffstat (limited to 'vendor/github.com/prometheus/procfs/xfs/xfs.go')
| -rw-r--r-- | vendor/github.com/prometheus/procfs/xfs/xfs.go | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/vendor/github.com/prometheus/procfs/xfs/xfs.go b/vendor/github.com/prometheus/procfs/xfs/xfs.go new file mode 100644 index 000000000..d86794b7c --- /dev/null +++ b/vendor/github.com/prometheus/procfs/xfs/xfs.go @@ -0,0 +1,163 @@ +// Copyright 2017 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package xfs provides access to statistics exposed by the XFS filesystem. +package xfs + +// Stats contains XFS filesystem runtime statistics, parsed from +// /proc/fs/xfs/stat. +// +// The names and meanings of each statistic were taken from +// http://xfs.org/index.php/Runtime_Stats and xfs_stats.h in the Linux +// kernel source. Most counters are uint32s (same data types used in +// xfs_stats.h), but some of the "extended precision stats" are uint64s. +type Stats struct { + // The name of the filesystem used to source these statistics. + // If empty, this indicates aggregated statistics for all XFS + // filesystems on the host. + Name string + + ExtentAllocation ExtentAllocationStats + AllocationBTree BTreeStats + BlockMapping BlockMappingStats + BlockMapBTree BTreeStats + DirectoryOperation DirectoryOperationStats + Transaction TransactionStats + InodeOperation InodeOperationStats + LogOperation LogOperationStats + ReadWrite ReadWriteStats + AttributeOperation AttributeOperationStats + InodeClustering InodeClusteringStats + Vnode VnodeStats + Buffer BufferStats + ExtendedPrecision ExtendedPrecisionStats +} + +// ExtentAllocationStats contains statistics regarding XFS extent allocations. +type ExtentAllocationStats struct { + ExtentsAllocated uint32 + BlocksAllocated uint32 + ExtentsFreed uint32 + BlocksFreed uint32 +} + +// BTreeStats contains statistics regarding an XFS internal B-tree. +type BTreeStats struct { + Lookups uint32 + Compares uint32 + RecordsInserted uint32 + RecordsDeleted uint32 +} + +// BlockMappingStats contains statistics regarding XFS block maps. +type BlockMappingStats struct { + Reads uint32 + Writes uint32 + Unmaps uint32 + ExtentListInsertions uint32 + ExtentListDeletions uint32 + ExtentListLookups uint32 + ExtentListCompares uint32 +} + +// DirectoryOperationStats contains statistics regarding XFS directory entries. +type DirectoryOperationStats struct { + Lookups uint32 + Creates uint32 + Removes uint32 + Getdents uint32 +} + +// TransactionStats contains statistics regarding XFS metadata transactions. +type TransactionStats struct { + Sync uint32 + Async uint32 + Empty uint32 +} + +// InodeOperationStats contains statistics regarding XFS inode operations. +type InodeOperationStats struct { + Attempts uint32 + Found uint32 + Recycle uint32 + Missed uint32 + Duplicate uint32 + Reclaims uint32 + AttributeChange uint32 +} + +// LogOperationStats contains statistics regarding the XFS log buffer. +type LogOperationStats struct { + Writes uint32 + Blocks uint32 + NoInternalBuffers uint32 + Force uint32 + ForceSleep uint32 +} + +// ReadWriteStats contains statistics regarding the number of read and write +// system calls for XFS filesystems. +type ReadWriteStats struct { + Read uint32 + Write uint32 +} + +// AttributeOperationStats contains statistics regarding manipulation of +// XFS extended file attributes. +type AttributeOperationStats struct { + Get uint32 + Set uint32 + Remove uint32 + List uint32 +} + +// InodeClusteringStats contains statistics regarding XFS inode clustering +// operations. +type InodeClusteringStats struct { + Iflush uint32 + Flush uint32 + FlushInode uint32 +} + +// VnodeStats contains statistics regarding XFS vnode operations. +type VnodeStats struct { + Active uint32 + Allocate uint32 + Get uint32 + Hold uint32 + Release uint32 + Reclaim uint32 + Remove uint32 + Free uint32 +} + +// BufferStats contains statistics regarding XFS read/write I/O buffers. +type BufferStats struct { + Get uint32 + Create uint32 + GetLocked uint32 + GetLockedWaited uint32 + BusyLocked uint32 + MissLocked uint32 + PageRetries uint32 + PageFound uint32 + GetRead uint32 +} + +// ExtendedPrecisionStats contains high precision counters used to track the +// total number of bytes read, written, or flushed, during XFS operations. +type ExtendedPrecisionStats struct { + FlushBytes uint64 + WriteBytes uint64 + ReadBytes uint64 +} |