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Skip calling ticks when the sleep queue is empty #634

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Merged
merged 1 commit into from
Oct 18, 2019
Merged

Skip calling ticks when the sleep queue is empty #634

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5 changes: 4 additions & 1 deletion src/runtime/scheduler.go
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Original file line number Diff line number Diff line change
Expand Up @@ -226,10 +226,13 @@ func addSleepTask(t *task, duration int64) {
// Run the scheduler until all tasks have finished.
func scheduler() {
// Main scheduler loop.
var now timeUnit
for {
scheduleLog("")
scheduleLog(" schedule")
now := ticks()
if sleepQueue != nil {
now = ticks()
}

// Add tasks that are done sleeping to the end of the runqueue so they
// will be executed soon.
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