87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
package system
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import (
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"fmt"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/plugins/inputs"
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)
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type MemStats struct {
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ps PS
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}
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func (_ *MemStats) Description() string {
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return "Read metrics about memory usage"
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}
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func (_ *MemStats) SampleConfig() string { return "" }
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func (s *MemStats) Gather(acc telegraf.Accumulator) error {
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vm, err := s.ps.VMStat()
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if err != nil {
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return fmt.Errorf("error getting virtual memory info: %s", err)
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}
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fields := map[string]interface{}{
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"total": vm.Total,
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"available": vm.Available,
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"used": vm.Used,
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"free": vm.Free,
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"cached": vm.Cached,
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"buffered": vm.Buffers,
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"active": vm.Active,
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"inactive": vm.Inactive,
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"wired": vm.Wired,
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"slab": vm.Slab,
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"used_percent": 100 * float64(vm.Used) / float64(vm.Total),
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"available_percent": 100 * float64(vm.Available) / float64(vm.Total),
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}
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acc.AddGauge("mem", fields, nil)
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return nil
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}
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type SwapStats struct {
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ps PS
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}
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func (_ *SwapStats) Description() string {
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return "Read metrics about swap memory usage"
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}
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func (_ *SwapStats) SampleConfig() string { return "" }
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func (s *SwapStats) Gather(acc telegraf.Accumulator) error {
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swap, err := s.ps.SwapStat()
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if err != nil {
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return fmt.Errorf("error getting swap memory info: %s", err)
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}
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fieldsG := map[string]interface{}{
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"total": swap.Total,
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"used": swap.Used,
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"free": swap.Free,
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"used_percent": swap.UsedPercent,
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}
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fieldsC := map[string]interface{}{
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"in": swap.Sin,
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"out": swap.Sout,
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}
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acc.AddGauge("swap", fieldsG, nil)
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acc.AddCounter("swap", fieldsC, nil)
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return nil
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}
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func init() {
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ps := newSystemPS()
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inputs.Add("mem", func() telegraf.Input {
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return &MemStats{ps: ps}
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})
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inputs.Add("swap", func() telegraf.Input {
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return &SwapStats{ps: ps}
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})
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}
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