107 lines
2.7 KiB
Go
107 lines
2.7 KiB
Go
//go:generate ../../../tools/readme_config_includer/generator
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package mem
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import (
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_ "embed"
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"fmt"
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"runtime"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/plugins/common/psutil"
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"github.com/influxdata/telegraf/plugins/inputs"
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)
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//go:embed sample.conf
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var sampleConfig string
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type Mem struct {
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ps psutil.PS
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platform string
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}
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func (*Mem) SampleConfig() string {
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return sampleConfig
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}
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func (ms *Mem) Init() error {
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ms.platform = runtime.GOOS
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return nil
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}
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func (ms *Mem) Gather(acc telegraf.Accumulator) error {
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vm, err := ms.ps.VMStat()
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if err != nil {
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return fmt.Errorf("error getting virtual memory info: %w", 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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"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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switch ms.platform {
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case "darwin":
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fields["active"] = vm.Active
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fields["free"] = vm.Free
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fields["inactive"] = vm.Inactive
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fields["wired"] = vm.Wired
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case "openbsd":
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fields["active"] = vm.Active
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fields["cached"] = vm.Cached
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fields["free"] = vm.Free
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fields["inactive"] = vm.Inactive
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fields["wired"] = vm.Wired
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case "freebsd":
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fields["active"] = vm.Active
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fields["buffered"] = vm.Buffers
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fields["cached"] = vm.Cached
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fields["free"] = vm.Free
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fields["inactive"] = vm.Inactive
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fields["laundry"] = vm.Laundry
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fields["wired"] = vm.Wired
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case "linux":
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fields["active"] = vm.Active
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fields["buffered"] = vm.Buffers
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fields["cached"] = vm.Cached
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fields["commit_limit"] = vm.CommitLimit
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fields["committed_as"] = vm.CommittedAS
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fields["dirty"] = vm.Dirty
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fields["free"] = vm.Free
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fields["high_free"] = vm.HighFree
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fields["high_total"] = vm.HighTotal
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fields["huge_pages_free"] = vm.HugePagesFree
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fields["huge_page_size"] = vm.HugePageSize
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fields["huge_pages_total"] = vm.HugePagesTotal
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fields["inactive"] = vm.Inactive
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fields["low_free"] = vm.LowFree
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fields["low_total"] = vm.LowTotal
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fields["mapped"] = vm.Mapped
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fields["page_tables"] = vm.PageTables
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fields["shared"] = vm.Shared
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fields["slab"] = vm.Slab
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fields["sreclaimable"] = vm.Sreclaimable
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fields["sunreclaim"] = vm.Sunreclaim
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fields["swap_cached"] = vm.SwapCached
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fields["swap_free"] = vm.SwapFree
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fields["swap_total"] = vm.SwapTotal
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fields["vmalloc_chunk"] = vm.VmallocChunk
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fields["vmalloc_total"] = vm.VmallocTotal
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fields["vmalloc_used"] = vm.VmallocUsed
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fields["write_back_tmp"] = vm.WriteBackTmp
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fields["write_back"] = vm.WriteBack
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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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func init() {
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ps := psutil.NewSystemPS()
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inputs.Add("mem", func() telegraf.Input {
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return &Mem{ps: ps}
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})
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}
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