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
}
package sigar_test
import (
"time"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
sigar "github.com/cloudfoundry/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)