runtime:cpu4: TestReadMetricsSched/waiting failures

[gopherbot]

#!watchflakes
default <- pkg == "runtime:cpu4" && test == "TestReadMetricsSched/waiting"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestReadMetricsSched/waiting
    metrics_test.go:1600: /sched/goroutines/not-in-go:goroutines: 0
    metrics_test.go:1600: /sched/goroutines/runnable:goroutines: 79
    metrics_test.go:1600: /sched/goroutines/running:goroutines: 4
    metrics_test.go:1600: /sched/goroutines/waiting:goroutines: 986
    metrics_test.go:1600: /sched/goroutines-created:goroutines: 6603
    metrics_test.go:1600: /sched/threads/total:threads: 15
    metrics_test.go:1626: /sched/goroutines/waiting:goroutines too low; 986 < 1000
--- FAIL: TestReadMetricsSched/waiting (0.00s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime:cpu4" && test == "TestReadMetricsSched/waiting"

2025-08-18 15:57 gotip-linux-loong64 go@c3927a47 runtime:cpu4.TestReadMetricsSched/waiting (log)

=== RUN   TestReadMetricsSched/waiting
    metrics_test.go:1600: /sched/goroutines/not-in-go:goroutines: 0
    metrics_test.go:1600: /sched/goroutines/runnable:goroutines: 79
    metrics_test.go:1600: /sched/goroutines/running:goroutines: 4
    metrics_test.go:1600: /sched/goroutines/waiting:goroutines: 986
    metrics_test.go:1600: /sched/goroutines-created:goroutines: 6603
    metrics_test.go:1600: /sched/threads/total:threads: 15
    metrics_test.go:1626: /sched/goroutines/waiting:goroutines too low; 986 < 1000
--- FAIL: TestReadMetricsSched/waiting (0.00s)

— watchflakes