Files
core/monitor/cpu.go
2024-10-28 10:27:38 +01:00

77 lines
2.0 KiB
Go

package monitor
import (
"github.com/datarhei/core/v16/monitor/metric"
"github.com/datarhei/core/v16/resources"
)
type cpuCollector struct {
ncpuDescr *metric.Description
systemDescr *metric.Description
userDescr *metric.Description
idleDescr *metric.Description
otherDescr *metric.Description
limitDescr *metric.Description
throttleDescr *metric.Description
resources resources.Resources
}
func NewCPUCollector(rsc resources.Resources) metric.Collector {
c := &cpuCollector{
resources: rsc,
}
c.ncpuDescr = metric.NewDesc("cpu_ncpu", "Number of logical CPUs in the system", nil)
c.systemDescr = metric.NewDesc("cpu_system", "Percentage of CPU used for the system", nil)
c.userDescr = metric.NewDesc("cpu_user", "Percentage of CPU used for the user", nil)
c.idleDescr = metric.NewDesc("cpu_idle", "Percentage of idle CPU", nil)
c.otherDescr = metric.NewDesc("cpu_other", "Percentage of CPU used for other subsystems", nil)
c.limitDescr = metric.NewDesc("cpu_limit", "Percentage of CPU to be consumed", nil)
c.throttleDescr = metric.NewDesc("cpu_throttling", "Whether the CPU is currently throttled", nil)
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,
c.limitDescr,
c.throttleDescr,
}
}
func (c *cpuCollector) Collect() metric.Metrics {
metrics := metric.NewMetrics()
rinfo := c.resources.Info()
metrics.Add(metric.NewValue(c.ncpuDescr, rinfo.CPU.NCPU))
metrics.Add(metric.NewValue(c.limitDescr, rinfo.CPU.Limit))
throttling := .0
if rinfo.CPU.Throttling {
throttling = 1
}
metrics.Add(metric.NewValue(c.throttleDescr, throttling))
metrics.Add(metric.NewValue(c.systemDescr, rinfo.CPU.System))
metrics.Add(metric.NewValue(c.userDescr, rinfo.CPU.User))
metrics.Add(metric.NewValue(c.idleDescr, rinfo.CPU.Idle))
metrics.Add(metric.NewValue(c.otherDescr, rinfo.CPU.Other))
return metrics
}