cgroup

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Published: Feb 16, 2021 License: MIT Imports: 9 Imported by: 0

README

CGroup Input Plugin

This input plugin will capture specific statistics per cgroup.

Consider restricting paths to the set of cgroups you really want to monitor if you have a large number of cgroups, to avoid any cardinality issues.

Following file formats are supported:

  • Single value
VAL\n
  • New line separated values
VAL0\n
VAL1\n
  • Space separated values
VAL0 VAL1 ...\n
  • New line separated key-space-value's
KEY0 VAL0\n
KEY1 VAL1\n
Tags:

All measurements have the following tags:

  • path
Configuration:
# [[inputs.cgroup]]
  # paths = [
  #   "/sys/fs/cgroup/memory",           # root cgroup
  #   "/sys/fs/cgroup/memory/child1",    # container cgroup
  #   "/sys/fs/cgroup/memory/child2/*",  # all children cgroups under child2, but not child2 itself
  # ]
  # files = ["memory.*usage*", "memory.limit_in_bytes"]
usage examples:
# [[inputs.cgroup]]
  # paths = [
  #   "/sys/fs/cgroup/cpu",              # root cgroup
  #   "/sys/fs/cgroup/cpu/*",            # all container cgroups
  #   "/sys/fs/cgroup/cpu/*/*",          # all children cgroups under each container cgroup
  # ]
  # files = ["cpuacct.usage", "cpu.cfs_period_us", "cpu.cfs_quota_us"]

# [[inputs.cgroup]]
  # paths = [
  #   "/sys/fs/cgroup/unified/*",        # root cgroup
  # ]
  # files = ["*"]

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type CGroup

type CGroup struct {
	Paths []string `toml:"paths"`
	Files []string `toml:"files"`
}

func (*CGroup) Description

func (g *CGroup) Description() string

func (*CGroup) Gather

func (g *CGroup) Gather(acc telegraf.Accumulator) error

func (*CGroup) SampleConfig

func (g *CGroup) SampleConfig() string

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