106 lines
2.9 KiB
Go
106 lines
2.9 KiB
Go
package mem
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import (
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"log"
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"runtime"
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"flashcat.cloud/categraf/config"
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"flashcat.cloud/categraf/inputs"
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"flashcat.cloud/categraf/inputs/system"
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"flashcat.cloud/categraf/types"
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)
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const inputName = "mem"
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type MemStats struct {
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ps system.PS
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config.PluginConfig
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CollectPlatformFields bool `toml:"collect_platform_fields"`
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}
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func init() {
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ps := system.NewSystemPS()
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inputs.Add(inputName, func() inputs.Input {
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return &MemStats{
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ps: ps,
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}
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})
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}
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func (s *MemStats) Init() error { return nil }
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func (s *MemStats) Drop() {}
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func (s *MemStats) GetInstances() []inputs.Instance { return nil }
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func (s *MemStats) Gather(slist *types.SampleList) {
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vm, err := s.ps.VMStat()
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if err != nil {
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log.Println("E! failed to get vmstat:", err)
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return
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}
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fields := map[string]interface{}{
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"total": vm.Total, // bytes
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"available": vm.Available, // bytes
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"used": vm.Used, // bytes
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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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if s.CollectPlatformFields {
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switch runtime.GOOS {
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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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}
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slist.PushSamples(inputName, fields)
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}
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