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