runtime: TestReadMetricsCumulative failures

[gopherbot]

#!watchflakes
default <- pkg == "runtime" && test == "TestReadMetricsCumulative"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestReadMetricsCumulative
    metrics_test.go:543: /cpu/classes/user:cpu-seconds decreased: 12.036168 < 12.063208
--- FAIL: TestReadMetricsCumulative (0.02s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestReadMetricsCumulative"

2024-01-23 08:29 gotip-windows-386 go@704401ff runtime.TestReadMetricsCumulative (log)

=== RUN   TestReadMetricsCumulative
    metrics_test.go:543: /cpu/classes/user:cpu-seconds decreased: 12.036168 < 12.063208
--- FAIL: TestReadMetricsCumulative (0.02s)

— watchflakes

[mknyszek]

This is probably related to the fact that windows has a very coarse clock granularity.

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestReadMetricsCumulative"

2024-02-27 21:22 go1.22-windows-386 release-branch.go1.22@8fe2ad64 runtime.TestReadMetricsCumulative (log)

=== RUN   TestReadMetricsCumulative
    metrics_test.go:543: /cpu/classes/user:cpu-seconds decreased: 14.135752 < 14.213476
--- FAIL: TestReadMetricsCumulative (0.03s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestReadMetricsCumulative"

2024-07-31 16:13 go1.22-windows-amd64-race release-branch.go1.22@8c8adffd runtime.TestReadMetricsCumulative (log)

=== RUN   TestReadMetricsCumulative
    metrics_test.go:543: /cpu/classes/user:cpu-seconds decreased: 22.788311 < 22.797387
--- FAIL: TestReadMetricsCumulative (0.00s)

— watchflakes