79 lines
1.7 KiB
Go
79 lines
1.7 KiB
Go
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package system
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import (
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"fmt"
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"github.com/influxdb/tivan/plugins"
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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 plugins.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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vmtags := map[string]string(nil)
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acc.Add("total", vm.Total, vmtags)
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acc.Add("available", vm.Available, vmtags)
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acc.Add("used", vm.Used, vmtags)
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acc.Add("used_prec", vm.UsedPercent, vmtags)
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acc.Add("free", vm.Free, vmtags)
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acc.Add("active", vm.Active, vmtags)
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acc.Add("inactive", vm.Inactive, vmtags)
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acc.Add("buffers", vm.Buffers, vmtags)
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acc.Add("cached", vm.Cached, vmtags)
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acc.Add("wired", vm.Wired, vmtags)
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acc.Add("shared", vm.Shared, vmtags)
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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 plugins.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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swaptags := map[string]string(nil)
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acc.Add("total", swap.Total, swaptags)
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acc.Add("used", swap.Used, swaptags)
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acc.Add("free", swap.Free, swaptags)
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acc.Add("used_perc", swap.UsedPercent, swaptags)
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acc.Add("in", swap.Sin, swaptags)
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acc.Add("out", swap.Sout, swaptags)
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return nil
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}
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func init() {
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plugins.Add("mem", func() plugins.Plugin {
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return &MemStats{ps: &systemPS{}}
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})
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plugins.Add("swap", func() plugins.Plugin {
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return &SwapStats{ps: &systemPS{}}
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})
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}
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