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Implement jiffies.
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7ae9a9ea69
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2 changed files with 15 additions and 1 deletions
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@ -22,6 +22,13 @@ func Microseconds() uint64 {
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return Now(1000000)
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}
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// JiffiesPerSec is the LCM of 48000, 96000 and 65536
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const JiffiesPerSec = 24576000
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func Jiffies() uint64 {
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return Now(JiffiesPerSec)
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}
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var ntpEpoch = time.Date(1900, 1, 1, 0, 0, 0, 0, time.UTC)
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func NTPToTime(ntp uint64) time.Time {
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@ -24,7 +24,7 @@ func differs(a, b, delta uint64) bool {
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return a - b >= delta
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}
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func TestMono(t *testing.T) {
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func TestTime(t *testing.T) {
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a := Now(48000)
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time.Sleep(4 * time.Millisecond)
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b := Now(48000) - a
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@ -38,6 +38,13 @@ func TestMono(t *testing.T) {
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if differs(d, 4000, 1000) {
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t.Errorf("Expected %v, got %v", 4000, d)
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}
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c = Jiffies()
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time.Sleep(time.Second * 100000 / JiffiesPerSec)
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d = Jiffies() - c
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if differs(d, 100000, 10000) {
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t.Errorf("Expected %v, got %v", 4000, d)
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}
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}
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func TestNTP(t *testing.T) {
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