open-nomad/client/stats/cpu_unix.go

37 lines
910 B
Go

// +build !windows
package stats
import (
shelpers "github.com/hashicorp/nomad/helper/stats"
"github.com/shirou/gopsutil/cpu"
)
func (h *HostStatsCollector) collectCPUStats() (cpus []*CPUStats, totalTicks float64, err error) {
ticksConsumed := 0.0
cpuStats, err := cpu.Times(true)
if err != nil {
return nil, 0.0, err
}
cs := make([]*CPUStats, len(cpuStats))
for idx, cpuStat := range cpuStats {
percentCalculator, ok := h.statsCalculator[cpuStat.CPU]
if !ok {
percentCalculator = NewHostCpuStatsCalculator()
h.statsCalculator[cpuStat.CPU] = percentCalculator
}
idle, user, system, total := percentCalculator.Calculate(cpuStat)
cs[idx] = &CPUStats{
CPU: cpuStat.CPU,
User: user,
System: system,
Idle: idle,
Total: total,
}
ticksConsumed += (total / 100.0) * (shelpers.TotalTicksAvailable() / float64(len(cpuStats)))
}
return cs, ticksConsumed, nil
}