Example #1
0
func GetLoad1() float64 {
	concreteSigar := sigar.ConcreteSigar{}

	avg, err := concreteSigar.GetLoadAverage()
	if err != nil {
		log.Debug("Failed to get load average")
		return -1
	}

	return avg.One
}
Example #2
0
func GetSystemLoad() (*SystemLoad, error) {

	concreteSigar := sigar.ConcreteSigar{}
	avg, err := concreteSigar.GetLoadAverage()
	if err != nil {
		return nil, err
	}

	return &SystemLoad{
		Load1:  avg.One,
		Load5:  avg.Five,
		Load15: avg.Fifteen,
	}, nil
}
Example #3
0
func main() {
	concreteSigar := gosigar.ConcreteSigar{}

	uptime := gosigar.Uptime{}
	uptime.Get()
	avg, err := concreteSigar.GetLoadAverage()
	if err != nil {
		fmt.Printf("Failed to get load average")
		return
	}

	fmt.Fprintf(os.Stdout, " %s up %s load average: %.2f, %.2f, %.2f\n",
		time.Now().Format("15:04:05"),
		uptime.Format(),
		avg.One, avg.Five, avg.Fifteen)
}
Example #4
0
func GetSystemLoad() (*SystemLoad, error) {

	concreteSigar := sigar.ConcreteSigar{}
	avg, err := concreteSigar.GetLoadAverage()
	if err != nil {
		return nil, err
	}

	cpuList := sigar.CpuList{}
	cpuList.Get()
	numCore := len(cpuList.List)

	return &SystemLoad{
		Load1:  avg.One,
		Load5:  avg.Five,
		Load15: avg.Fifteen,

		LoadNorm1:  avg.One / float64(numCore),
		LoadNorm5:  avg.Five / float64(numCore),
		LoadNorm15: avg.Fifteen / float64(numCore),
	}, nil
}
package sigar_test

import (
	"time"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	sigar "github.com/elastic/gosigar"
)

var _ = Describe("ConcreteSigar", func() {
	var concreteSigar *sigar.ConcreteSigar

	BeforeEach(func() {
		concreteSigar = &sigar.ConcreteSigar{}
	})

	Describe("CollectCpuStats", func() {
		It("immediately makes first CPU usage available even though it's not very accurate", func() {
			samplesCh, stop := concreteSigar.CollectCpuStats(500 * time.Millisecond)

			firstValue := <-samplesCh
			Expect(firstValue.User).To(BeNumerically(">", 0))

			stop <- struct{}{}
		})

		It("makes CPU usage delta values available", func() {
			samplesCh, stop := concreteSigar.CollectCpuStats(500 * time.Millisecond)