99 lines
2.0 KiB
Go
99 lines
2.0 KiB
Go
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package cpu
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import (
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"fmt"
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"runtime"
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"testing"
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"time"
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)
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func TestCpu_times(t *testing.T) {
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v, err := CPUTimes(false)
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if err != nil {
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t.Errorf("error %v", err)
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}
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if len(v) == 0 {
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t.Error("could not get CPUs ", err)
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}
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empty := CPUTimesStat{}
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for _, vv := range v {
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if vv == empty {
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t.Errorf("could not get CPU User: %v", vv)
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}
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}
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}
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func TestCpu_counts(t *testing.T) {
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v, err := CPUCounts(true)
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if err != nil {
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t.Errorf("error %v", err)
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}
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if v == 0 {
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t.Errorf("could not get CPU counts: %v", v)
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}
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}
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func TestCPUTimeStat_String(t *testing.T) {
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v := CPUTimesStat{
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CPU: "cpu0",
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User: 100.1,
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System: 200.1,
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Idle: 300.1,
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}
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e := `{"cpu":"cpu0","user":100.1,"system":200.1,"idle":300.1,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0,"stolen":0.0}`
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if e != fmt.Sprintf("%v", v) {
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t.Errorf("CPUTimesStat string is invalid: %v", v)
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}
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}
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func TestCpuInfo(t *testing.T) {
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v, err := CPUInfo()
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if err != nil {
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t.Errorf("error %v", err)
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}
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if len(v) == 0 {
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t.Errorf("could not get CPU Info")
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}
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for _, vv := range v {
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if vv.ModelName == "" {
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t.Errorf("could not get CPU Info: %v", vv)
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}
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}
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}
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func testCPUPercent(t *testing.T, percpu bool) {
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numcpu := runtime.NumCPU()
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testCount := 3
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if runtime.GOOS != "windows" {
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testCount = 100
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v, err := CPUPercent(time.Millisecond, percpu)
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if err != nil {
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t.Errorf("error %v", err)
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}
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if (percpu && len(v) != numcpu) || (!percpu && len(v) != 1) {
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t.Fatalf("wrong number of entries from CPUPercent: %v", v)
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}
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}
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for i := 0; i < testCount; i++ {
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duration := time.Duration(10) * time.Microsecond
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v, err := CPUPercent(duration, percpu)
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if err != nil {
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t.Errorf("error %v", err)
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}
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for _, percent := range v {
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if percent < 0.0 || percent > 100.0*float64(numcpu) {
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t.Fatalf("CPUPercent value is invalid: %f", percent)
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}
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}
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}
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}
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func TestCPUPercent(t *testing.T) {
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testCPUPercent(t, false)
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}
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func TestCPUPercentPerCpu(t *testing.T) {
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testCPUPercent(t, true)
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}
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