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Add more tracing steps in generic_scheduler

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This commit is contained in:
Guoliang Wang 2019-10-06 13:44:44 +08:00
parent 5e0f48acf8
commit d3e8f17987
1 changed files with 9 additions and 4 deletions
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13
pkg/scheduler/core/generic_scheduler.go
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@ -178,11 +178,14 @@ func (g *genericScheduler) Schedule(state *framework.CycleState, pod *v1.Pod) (r
if err := podPassesBasicChecks(pod, g.pvcLister); err != nil {
return result, err
}
trace.Step("Basic checks done")
// Run "prefilter" plugins.
preFilterStatus := g.framework.RunPreFilterPlugins(state, pod)
if !preFilterStatus.IsSuccess() {
return result, preFilterStatus.AsError()
}
trace.Step("Running prefilter plugins done")
numNodes := g.cache.NodeTree().NumNodes()
if numNodes == 0 {
@ -192,13 +195,14 @@ func (g *genericScheduler) Schedule(state *framework.CycleState, pod *v1.Pod) (r
if err := g.snapshot(); err != nil {
return result, err
}
trace.Step("Snapshoting scheduler cache and node infos done")
trace.Step("Basic checks done")
startPredicateEvalTime := time.Now()
filteredNodes, failedPredicateMap, filteredNodesStatuses, err := g.findNodesThatFit(state, pod)
if err != nil {
return result, err
}
trace.Step("Computing predicates done")
// Run "postfilter" plugins.
postfilterStatus := g.framework.RunPostFilterPlugins(state, pod, filteredNodes, filteredNodesStatuses)
@ -214,7 +218,7 @@ func (g *genericScheduler) Schedule(state *framework.CycleState, pod *v1.Pod) (r
FilteredNodesStatuses: filteredNodesStatuses,
}
}
trace.Step("Computing predicates done")
trace.Step("Running postfilter plugins done")
metrics.SchedulingAlgorithmPredicateEvaluationDuration.Observe(metrics.SinceInSeconds(startPredicateEvalTime))
metrics.DeprecatedSchedulingAlgorithmPredicateEvaluationDuration.Observe(metrics.SinceInMicroseconds(startPredicateEvalTime))
metrics.SchedulingLatency.WithLabelValues(metrics.PredicateEvaluation).Observe(metrics.SinceInSeconds(startPredicateEvalTime))
@ -237,14 +241,15 @@ func (g *genericScheduler) Schedule(state *framework.CycleState, pod *v1.Pod) (r
if err != nil {
return result, err
}
trace.Step("Prioritizing done")
metrics.SchedulingAlgorithmPriorityEvaluationDuration.Observe(metrics.SinceInSeconds(startPriorityEvalTime))
metrics.DeprecatedSchedulingAlgorithmPriorityEvaluationDuration.Observe(metrics.SinceInMicroseconds(startPriorityEvalTime))
metrics.SchedulingLatency.WithLabelValues(metrics.PriorityEvaluation).Observe(metrics.SinceInSeconds(startPriorityEvalTime))
metrics.DeprecatedSchedulingLatency.WithLabelValues(metrics.PriorityEvaluation).Observe(metrics.SinceInSeconds(startPriorityEvalTime))
host, err := g.selectHost(priorityList)
trace.Step("Selecting host done")
trace.Step("Prioritizing done")
return ScheduleResult{
SuggestedHost: host,
EvaluatedNodes: len(filteredNodes) + len(failedPredicateMap) + len(filteredNodesStatuses),