Files
core/monitor/cpu.go
Jan Stabenow 9c0b535199 Add v16.7.2
2022-05-13 19:26:45 +02:00

69 lines
1.4 KiB
Go

package monitor
import (
"github.com/datarhei/core/monitor/metric"
"github.com/datarhei/core/psutil"
)
type cpuCollector struct {
ncpuDescr *metric.Description
systemDescr *metric.Description
userDescr *metric.Description
idleDescr *metric.Description
otherDescr *metric.Description
ncpu float64
}
func NewCPUCollector() metric.Collector {
c := &cpuCollector{
ncpu: 1,
}
c.ncpuDescr = metric.NewDesc("cpu_ncpu", "", nil)
c.systemDescr = metric.NewDesc("cpu_system", "", nil)
c.userDescr = metric.NewDesc("cpu_user", "", nil)
c.idleDescr = metric.NewDesc("cpu_idle", "", nil)
c.otherDescr = metric.NewDesc("cpu_other", "", nil)
if ncpu, err := psutil.CPUCounts(true); err == nil {
c.ncpu = ncpu
}
return c
}
func (c *cpuCollector) Stop() {}
func (c *cpuCollector) Prefix() string {
return "cpu"
}
func (c *cpuCollector) Describe() []*metric.Description {
return []*metric.Description{
c.ncpuDescr,
c.systemDescr,
c.userDescr,
c.idleDescr,
c.otherDescr,
}
}
func (c *cpuCollector) Collect() metric.Metrics {
metrics := metric.NewMetrics()
metrics.Add(metric.NewValue(c.ncpuDescr, c.ncpu))
stat, err := psutil.CPUPercent()
if err != nil {
return metrics
}
metrics.Add(metric.NewValue(c.systemDescr, stat.System))
metrics.Add(metric.NewValue(c.userDescr, stat.User))
metrics.Add(metric.NewValue(c.idleDescr, stat.Idle))
metrics.Add(metric.NewValue(c.otherDescr, stat.Other))
return metrics
}