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Add a metric to track number of scheduler prioritizing goroutines

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This commit is contained in:
Guoliang Wang 2019-10-07 09:39:49 +08:00
parent 08f7b22025
commit 9d173852c1
1 changed files with 15 additions and 3 deletions
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18
pkg/scheduler/core/generic_scheduler.go
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@ -732,7 +732,11 @@ func PrioritizeNodes(
if priorityConfigs[i].Function != nil {
wg.Add(1)
go func(index int) {
defer wg.Done()
metrics.SchedulerGoroutines.WithLabelValues("prioritizing_legacy").Inc()
defer func() {
metrics.SchedulerGoroutines.WithLabelValues("prioritizing_legacy").Dec()
wg.Done()
}()
var err error
results[index], err = priorityConfigs[index].Function(pod, nodeNameToInfo, nodes)
if err != nil {
@ -766,7 +770,11 @@ func PrioritizeNodes(
}
wg.Add(1)
go func(index int) {
defer wg.Done()
metrics.SchedulerGoroutines.WithLabelValues("prioritizing_mapreduce").Inc()
defer func() {
metrics.SchedulerGoroutines.WithLabelValues("prioritizing_mapreduce").Dec()
wg.Done()
}()
if err := priorityConfigs[index].Reduce(pod, meta, nodeNameToInfo, results[index]); err != nil {
appendError(err)
}
@ -812,7 +820,11 @@ func PrioritizeNodes(
}
wg.Add(1)
go func(extIndex int) {
defer wg.Done()
metrics.SchedulerGoroutines.WithLabelValues("prioritizing_extender").Inc()
defer func() {
metrics.SchedulerGoroutines.WithLabelValues("prioritizing_extender").Dec()
wg.Done()
}()
prioritizedList, weight, err := extenders[extIndex].Prioritize(pod, nodes)
if err != nil {
// Prioritization errors from extender can be ignored, let k8s/other extenders determine the priorities