package internal import ( "runtime" "github.com/influxdata/telegraf" "github.com/influxdata/telegraf/plugins/inputs" "github.com/influxdata/telegraf/selfstat" ) type Self struct { CollectMemstats bool } func NewSelf() telegraf.Input { return &Self{ CollectMemstats: true, } } var sampleConfig = ` ## If true, collect telegraf memory stats. # collect_memstats = true ` func (s *Self) Description() string { return "Collect statistics about itself" } func (s *Self) SampleConfig() string { return sampleConfig } func (s *Self) Gather(acc telegraf.Accumulator) error { if s.CollectMemstats { m := &runtime.MemStats{} runtime.ReadMemStats(m) fields := map[string]interface{}{ "alloc_bytes": m.Alloc, // bytes allocated and not yet freed "total_alloc_bytes": m.TotalAlloc, // bytes allocated (even if freed) "sys_bytes": m.Sys, // bytes obtained from system (sum of XxxSys below) "pointer_lookups": m.Lookups, // number of pointer lookups "mallocs": m.Mallocs, // number of mallocs "frees": m.Frees, // number of frees // Main allocation heap statistics. "heap_alloc_bytes": m.HeapAlloc, // bytes allocated and not yet freed (same as Alloc above) "heap_sys_bytes": m.HeapSys, // bytes obtained from system "heap_idle_bytes": m.HeapIdle, // bytes in idle spans "heap_in_use_bytes": m.HeapInuse, // bytes in non-idle span "heap_released_bytes": m.HeapReleased, // bytes released to the OS "heap_objects_bytes": m.HeapObjects, // total number of allocated objects "num_gc": m.NumGC, } acc.AddFields("internal_memstats", fields, map[string]string{}) } for _, m := range selfstat.Metrics() { acc.AddFields(m.Name(), m.Fields(), m.Tags(), m.Time()) } return nil } func init() { inputs.Add("internal", NewSelf) }