scheduler_perf: dump test data when writing it failed

Occasionally, writing as JSON failed because a NaN float couldn't be
encoded. The extended log message helps understand where that comes from, for
example:

F0120 20:24:45.515745  511835 scheduler_perf_test.go:540] BenchmarkPerfScheduling: unable to write measured data {Version:v1 DataItems:[{Data:map[Average:35.714285714285715 Perc50:2 Perc90:36 Perc95:412 Perc99:412] Unit:pods/s Labels:map[Metric:SchedulingThroughput Name:BenchmarkPerfScheduling/PreemptionPVs/500Nodes/namespace-2]} {Data:map[Average:27.863967530999993 Perc50:13.925925925925926 Perc90:30.06711409395973 Perc95:31.85682326621924 Perc99:704] Unit:ms Labels:map[Metric:scheduler_e2e_scheduling_duration_seconds Name:BenchmarkPerfScheduling/PreemptionPVs/500Nodes/namespace-2]} {Data:map[Average:11915.651577744 Perc50:15168.796680497926 Perc90:19417.759336099585 Perc95:19948.87966804979 Perc99:20373.77593360996] Unit:ms Labels:map[Metric:scheduler_pod_scheduling_duration_seconds Name:BenchmarkPerfScheduling/PreemptionPVs/500Nodes/namespace-2]} {Data:map[Average:1.1865832049999983 Perc50:0.7636363636363637 Perc90:2.891903719912473 Perc95:3.066958424507659 Perc99:5.333333333333334] Unit:ms Labels:map[Metric:scheduler_framework_extension_point_duration_seconds Name:BenchmarkPerfScheduling/PreemptionPVs/500Nodes/namespace-2 extension_point:Filter]} {Data:map[Average:NaN Perc50:NaN Perc90:NaN Perc95:NaN Perc99:NaN] Unit:ms Labels:map[Metric:scheduler_framework_extension_point_duration_seconds Name:BenchmarkPerfScheduling/PreemptionPVs/500Nodes/namespace-2 extension_point:Score]}]}: json: unsupported value: NaN
This commit is contained in:
Patrick Ohly 2022-01-20 20:08:02 +01:00
parent 8d44b819b3
commit c62d7407c8

View File

@ -537,7 +537,7 @@ func BenchmarkPerfScheduling(b *testing.B) {
})
}
if err := dataItems2JSONFile(dataItems, b.Name()); err != nil {
klog.Fatalf("%v: unable to write measured data: %v", b.Name(), err)
klog.Fatalf("%v: unable to write measured data %+v: %v", b.Name(), dataItems, err)
}
}