memstat

Documentation

Overview

Package memstat implements metrics collection related to Memory usage

Index

• type MemStat
  • func New(m *metrics.MetricContext, Step time.Duration) *MemStat
  • func (s *MemStat) Collect()
  • func (s *MemStat) Free() float64
  • func (s *MemStat) Total() float64
  • func (s *MemStat) Usage() float64

Types

type MemStat

type MemStat struct {
	RawFree   *metrics.Gauge
	Active    *metrics.Gauge
	Inactive  *metrics.Gauge
	Wired     *metrics.Gauge
	Purgeable *metrics.Gauge
	RawTotal  *metrics.Gauge
	Pagesize  C.vm_size_t
	// contains filtered or unexported fields
}

MemStat represents memory usage statistics

func New

func New(m *metrics.MetricContext, Step time.Duration) *MemStat

New registers with metriccontext and starts metric collection every Step

func (*MemStat) Collect

func (s *MemStat) Collect()

Collect uses mach interface to populate various memory usage metrics

func (*MemStat) Free

func (s *MemStat) Free() float64

Free returns free memory Inactive lists may contain dirty pages Unfortunately there doesn't seem to be easy way to get that count

func (*MemStat) Total

func (s *MemStat) Total() float64

Total returns total physical memory

func (*MemStat) Usage

func (s *MemStat) Usage() float64

Usage returns physical memory in use