コード例 #1
0
ファイル: go-top.go プロジェクト: Clarifai/kubernetes
func (s *stats) GatherStats(percent bool) {
	s.SysUptime = systemstat.GetUptime()
	s.ProcUptime = time.Since(s.startTime).Seconds()

	s.SysMemK = systemstat.GetMemSample()
	s.LoadAverage = systemstat.GetLoadAvgSample()

	s.LastCPUSample = s.CurCPUSample
	s.CurCPUSample = systemstat.GetCPUSample()

	if s.sysCPUSampled { // we need 2 samples to get an average
		s.SysCPUAvg = systemstat.GetCPUAverage(s.LastCPUSample, s.CurCPUSample)
	}
	// we have at least one sample, subsequent rounds will give us an average
	s.sysCPUSampled = true

	s.ProcMemUsedPct = 100 * float64(s.CurProcCPUSample.ProcMemUsedK) / float64(s.SysMemK.MemTotal)

	s.LastProcCPUSample = s.CurProcCPUSample
	s.CurProcCPUSample = systemstat.GetProcCPUSample()
	if s.procCPUSampled {
		s.ProcCPUAvg = systemstat.GetProcCPUAverage(s.LastProcCPUSample, s.CurProcCPUSample, s.ProcUptime)
	}
	s.procCPUSampled = true
}
コード例 #2
0
ファイル: consume_cpu.go プロジェクト: Clarifai/kubernetes
func main() {
	flag.Parse()
	// convert millicores to percentage
	millicoresPct := float64(*millicores) / float64(10)
	duration := time.Duration(*durationSec) * time.Second
	start := time.Now()
	first := systemstat.GetProcCPUSample()
	for time.Now().Sub(start) < duration {
		cpu := systemstat.GetProcCPUAverage(first, systemstat.GetProcCPUSample(), systemstat.GetUptime().Uptime)
		if cpu.TotalPct < millicoresPct {
			doSomething()
		} else {
			time.Sleep(sleep)
		}
	}
}