procstat

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 Go to latest Published: May 1, 2019 License: MIT Imports: 14 Imported by: 0

README

Procstat Input Plugin

The procstat plugin can be used to monitor the system resource usage of one or more processes. The procstat_lookup metric displays the query information, specifically the number of PIDs returned on a search

Processes can be selected for monitoring using one of several methods:

  • pidfile
  • exe
  • pattern
  • user
  • systemd_unit
  • cgroup
  • win_service
Configuration:
# Monitor process cpu and memory usage
[[inputs.procstat]]
  ## PID file to monitor process
  pid_file = "/var/run/nginx.pid"
  ## executable name (ie, pgrep <exe>)
  # exe = "nginx"
  ## pattern as argument for pgrep (ie, pgrep -f <pattern>)
  # pattern = "nginx"
  ## user as argument for pgrep (ie, pgrep -u <user>)
  # user = "nginx"
  ## Systemd unit name
  # systemd_unit = "nginx.service"
  ## CGroup name or path
  # cgroup = "systemd/system.slice/nginx.service"

  ## Windows service name
  # win_service = ""

  ## override for process_name
  ## This is optional; default is sourced from /proc/<pid>/status
  # process_name = "bar"

  ## Field name prefix
  # prefix = ""

  ## When true add the full cmdline as a tag.
  # cmdline_tag = false

  ## Add PID as a tag instead of a field; useful to differentiate between
  ## processes whose tags are otherwise the same.  Can create a large number
  ## of series, use judiciously.
  # pid_tag = false

  ## Method to use when finding process IDs.  Can be one of 'pgrep', or
  ## 'native'.  The pgrep finder calls the pgrep executable in the PATH while
  ## the native finder performs the search directly in a manor dependent on the
  ## platform.  Default is 'pgrep'
  # pid_finder = "pgrep"
Windows support

Preliminary support for Windows has been added, however you may prefer using the win_perf_counters input plugin as a more mature alternative.

When using the pid_finder = "native" in Windows, the pattern lookup method is implemented as a WMI query. The pattern allows fuzzy matching using only WMI query patterns:

[[inputs.procstat]]
  pattern = "%influx%"
  pid_finder = "native"
Metrics:
  • procstat
    • tags:
      • pid (when pid_tag is true)
      • cmdline (when 'cmdline_tag' is true)
      • process_name
      • pidfile (when defined)
      • exe (when defined)
      • pattern (when defined)
      • user (when selected)
      • systemd_unit (when defined)
      • cgroup (when defined)
      • win_service (when defined)
    • fields:
      • child_major_faults (int)
      • child_minor_faults (int)
      • cpu_time (int)
      • cpu_time_guest (float)
      • cpu_time_guest_nice (float)
      • cpu_time_idle (float)
      • cpu_time_iowait (float)
      • cpu_time_irq (float)
      • cpu_time_nice (float)
      • cpu_time_soft_irq (float)
      • cpu_time_steal (float)
      • cpu_time_stolen (float)
      • cpu_time_system (float)
      • cpu_time_user (float)
      • cpu_usage (float)
      • involuntary_context_switches (int)
      • major_faults (int)
      • memory_data (int)
      • memory_locked (int)
      • memory_rss (int)
      • memory_stack (int)
      • memory_swap (int)
      • memory_vms (int)
      • minor_faults (int)
      • nice_priority (int)
      • num_fds (int, telegraf may need to be ran as root)
      • num_threads (int)
      • pid (int)
      • read_bytes (int, telegraf may need to be ran as root)
      • read_count (int, telegraf may need to be ran as root)
      • realtime_priority (int)
      • rlimit_cpu_time_hard (int)
      • rlimit_cpu_time_soft (int)
      • rlimit_file_locks_hard (int)
      • rlimit_file_locks_soft (int)
      • rlimit_memory_data_hard (int)
      • rlimit_memory_data_soft (int)
      • rlimit_memory_locked_hard (int)
      • rlimit_memory_locked_soft (int)
      • rlimit_memory_rss_hard (int)
      • rlimit_memory_rss_soft (int)
      • rlimit_memory_stack_hard (int)
      • rlimit_memory_stack_soft (int)
      • rlimit_memory_vms_hard (int)
      • rlimit_memory_vms_soft (int)
      • rlimit_nice_priority_hard (int)
      • rlimit_nice_priority_soft (int)
      • rlimit_num_fds_hard (int)
      • rlimit_num_fds_soft (int)
      • rlimit_realtime_priority_hard (int)
      • rlimit_realtime_priority_soft (int)
      • rlimit_signals_pending_hard (int)
      • rlimit_signals_pending_soft (int)
      • signals_pending (int)
      • voluntary_context_switches (int)
      • write_bytes (int, telegraf may need to be ran as root)
      • write_count (int, telegraf may need to be ran as root)
  • procstat_lookup
    • tags:
      • exe
      • pid_finder
      • pid_file
      • pattern
      • prefix
      • user
      • systemd_unit
      • cgroup
      • win_service
      • result
    • fields:
      • pid_count (int)
      • running (int)
      • result_code (int, success = 0, lookup_error = 1)

NOTE: Resource limit > 2147483647 will be reported as 2147483647.

Example Output:
procstat,pidfile=/var/run/lxc/dnsmasq.pid,process_name=dnsmasq rlimit_file_locks_soft=2147483647i,rlimit_signals_pending_hard=1758i,voluntary_context_switches=478i,read_bytes=307200i,cpu_time_user=0.01,cpu_time_guest=0,memory_swap=0i,memory_locked=0i,rlimit_num_fds_hard=4096i,rlimit_nice_priority_hard=0i,num_fds=11i,involuntary_context_switches=20i,read_count=23i,memory_rss=1388544i,rlimit_memory_rss_soft=2147483647i,rlimit_memory_rss_hard=2147483647i,nice_priority=20i,rlimit_cpu_time_hard=2147483647i,cpu_time=0i,write_bytes=0i,cpu_time_idle=0,cpu_time_nice=0,memory_data=229376i,memory_stack=135168i,rlimit_cpu_time_soft=2147483647i,rlimit_memory_data_hard=2147483647i,rlimit_memory_locked_hard=65536i,rlimit_signals_pending_soft=1758i,write_count=11i,cpu_time_iowait=0,cpu_time_steal=0,cpu_time_stolen=0,rlimit_memory_stack_soft=8388608i,cpu_time_system=0.02,cpu_time_guest_nice=0,rlimit_memory_locked_soft=65536i,rlimit_memory_vms_soft=2147483647i,rlimit_file_locks_hard=2147483647i,rlimit_realtime_priority_hard=0i,pid=828i,num_threads=1i,cpu_time_soft_irq=0,rlimit_memory_vms_hard=2147483647i,rlimit_realtime_priority_soft=0i,memory_vms=15884288i,rlimit_memory_stack_hard=2147483647i,cpu_time_irq=0,rlimit_memory_data_soft=2147483647i,rlimit_num_fds_soft=1024i,signals_pending=0i,rlimit_nice_priority_soft=0i,realtime_priority=0i
procstat,exe=influxd,process_name=influxd rlimit_num_fds_hard=16384i,rlimit_signals_pending_hard=1758i,realtime_priority=0i,rlimit_memory_vms_hard=2147483647i,rlimit_signals_pending_soft=1758i,cpu_time_stolen=0,rlimit_memory_stack_hard=2147483647i,rlimit_realtime_priority_hard=0i,cpu_time=0i,pid=500i,voluntary_context_switches=975i,cpu_time_idle=0,memory_rss=3072000i,memory_locked=0i,rlimit_nice_priority_soft=0i,signals_pending=0i,nice_priority=20i,read_bytes=823296i,cpu_time_soft_irq=0,rlimit_memory_data_hard=2147483647i,rlimit_memory_locked_soft=65536i,write_count=8i,cpu_time_irq=0,memory_vms=33501184i,rlimit_memory_stack_soft=8388608i,cpu_time_iowait=0,rlimit_memory_vms_soft=2147483647i,rlimit_nice_priority_hard=0i,num_fds=29i,memory_data=229376i,rlimit_cpu_time_soft=2147483647i,rlimit_file_locks_soft=2147483647i,num_threads=1i,write_bytes=0i,cpu_time_steal=0,rlimit_memory_rss_hard=2147483647i,cpu_time_guest=0,cpu_time_guest_nice=0,cpu_usage=0,rlimit_memory_locked_hard=65536i,rlimit_file_locks_hard=2147483647i,involuntary_context_switches=38i,read_count=16851i,memory_swap=0i,rlimit_memory_data_soft=2147483647i,cpu_time_user=0.11,rlimit_cpu_time_hard=2147483647i,rlimit_num_fds_soft=16384i,rlimit_realtime_priority_soft=0i,cpu_time_system=0.27,cpu_time_nice=0,memory_stack=135168i,rlimit_memory_rss_soft=2147483647i

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type NativeFinder 

type NativeFinder struct {
}

NativeFinder uses gopsutil to find processes

func (*NativeFinder) FullPattern 

func (pg *NativeFinder) FullPattern(pattern string) ([]PID, error)

FullPattern matches on the command line when the process was executed

func (*NativeFinder) Pattern 

func (pg *NativeFinder) Pattern(pattern string) ([]PID, error)

Pattern matches on the process name

func (*NativeFinder) PidFile 

func (pg *NativeFinder) PidFile(path string) ([]PID, error)

PidFile returns the pid from the pid file given.

func (*NativeFinder) Uid 

func (pg *NativeFinder) Uid(user string) ([]PID, error)

Uid will return all pids for the given user

type PID 

type PID int32

type PIDFinder 

type PIDFinder interface {
	PidFile(path string) ([]PID, error)
	Pattern(pattern string) ([]PID, error)
	Uid(user string) ([]PID, error)
	FullPattern(path string) ([]PID, error)
}

func NewNativeFinder 

func NewNativeFinder() (PIDFinder, error)

NewNativeFinder ...

func NewPgrep 

func NewPgrep() (PIDFinder, error)

type Pgrep 

type Pgrep struct {
	// contains filtered or unexported fields
}

Implemention of PIDGatherer that execs pgrep to find processes

func (*Pgrep) FullPattern 

func (pg *Pgrep) FullPattern(pattern string) ([]PID, error)

func (*Pgrep) Pattern 

func (pg *Pgrep) Pattern(pattern string) ([]PID, error)

func (*Pgrep) PidFile 

func (pg *Pgrep) PidFile(path string) ([]PID, error)

func (*Pgrep) Uid 

func (pg *Pgrep) Uid(user string) ([]PID, error)

type Proc 

type Proc struct {
	*process.Process
	// contains filtered or unexported fields
}

func (*Proc) PID 

func (p *Proc) PID() PID

func (*Proc) Percent 

func (p *Proc) Percent(interval time.Duration) (float64, error)

func (*Proc) Tags 

func (p *Proc) Tags() map[string]string

func (*Proc) Username 

func (p *Proc) Username() (string, error)

type Process 

type Process interface {
	PID() PID
	Tags() map[string]string

	PageFaults() (*process.PageFaultsStat, error)
	IOCounters() (*process.IOCountersStat, error)
	MemoryInfo() (*process.MemoryInfoStat, error)
	Name() (string, error)
	Cmdline() (string, error)
	NumCtxSwitches() (*process.NumCtxSwitchesStat, error)
	NumFDs() (int32, error)
	NumThreads() (int32, error)
	Percent(interval time.Duration) (float64, error)
	Times() (*cpu.TimesStat, error)
	RlimitUsage(bool) ([]process.RlimitStat, error)
	Username() (string, error)
}

func NewProc 

func NewProc(pid PID) (Process, error)

type Procstat 

type Procstat struct {
	PidFinder   string `toml:"pid_finder"`
	PidFile     string `toml:"pid_file"`
	Exe         string
	Pattern     string
	Prefix      string
	CmdLineTag  bool `toml:"cmdline_tag"`
	ProcessName string
	User        string
	SystemdUnit string
	CGroup      string `toml:"cgroup"`
	PidTag      bool
	WinService  string `toml:"win_service"`
	// contains filtered or unexported fields
}

func (*Procstat) Description 

func (_ *Procstat) Description() string

func (*Procstat) Gather 

func (p *Procstat) Gather(acc telegraf.Accumulator) error

func (*Procstat) SampleConfig 

func (_ *Procstat) SampleConfig() string

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