telegraf/plugins/system/cpu.go

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package system
import (
"fmt"
"github.com/influxdb/telegraf/plugins"
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)
type CPUStats struct {
ps PS
PerCPU bool `toml:"percpu"`
TotalCPU bool `toml:"totalcpu"`
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}
func (_ *CPUStats) Description() string {
return "Read metrics about cpu usage"
}
var sampleConfig = `
# Whether to report per-cpu stats or not
percpu = true
# Whether to report total system cpu stats or not
totalcpu = true`
func (_ *CPUStats) SampleConfig() string {
return sampleConfig
}
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func (s *CPUStats) Gather(acc plugins.Accumulator) error {
times, err := s.ps.CPUTimes(s.PerCPU, s.TotalCPU)
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if err != nil {
return fmt.Errorf("error getting CPU info: %s", err)
}
for _, cts := range times {
tags := map[string]string{
"cpu": cts.CPU,
}
add(acc, "user", cts.User, tags)
add(acc, "system", cts.System, tags)
add(acc, "idle", cts.Idle, tags)
add(acc, "nice", cts.Nice, tags)
add(acc, "iowait", cts.Iowait, tags)
add(acc, "irq", cts.Irq, tags)
add(acc, "softirq", cts.Softirq, tags)
add(acc, "steal", cts.Steal, tags)
add(acc, "guest", cts.Guest, tags)
add(acc, "guestNice", cts.GuestNice, tags)
add(acc, "stolen", cts.Stolen, tags)
}
return nil
}
func init() {
plugins.Add("cpu", func() plugins.Plugin {
return &CPUStats{ps: &systemPS{}}
})
}