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runtime: TestRuntimeLockMetricsAndProfile/runtime.lock/sample-1 failures #71541

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gopherbot opened this issue Feb 3, 2025 · 4 comments
Closed

runtime: TestRuntimeLockMetricsAndProfile/runtime.lock/sample-1 failures #71541

gopherbot opened this issue Feb 3, 2025 · 4 comments
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compiler/runtime Issues related to the Go compiler and/or runtime. NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Milestone
Backlog

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@gopherbot
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#!watchflakes
default <- pkg == "runtime" && test == "TestRuntimeLockMetricsAndProfile/runtime.lock/sample-1"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestRuntimeLockMetricsAndProfile/runtime.lock/sample-1
    metrics_test.go:1065: lock contention growth in runtime/pprof's view  (0.052108s)
    metrics_test.go:1066: lock contention growth in runtime/metrics' view (0.052104s)
    metrics_test.go:1104: stack [runtime.unlock runtime_test.TestRuntimeLockMetricsAndProfile.func5.1 runtime_test.(*contentionWorker).run] has samples totaling n=199 value=44066160
    metrics_test.go:1192: mutex profile reported contention count different from the known true count (199 != 200)
--- FAIL: TestRuntimeLockMetricsAndProfile/runtime.lock/sample-1 (0.06s)

— watchflakes
@gopherbot gopherbot added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Feb 3, 2025
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestRuntimeLockMetricsAndProfile/runtime.lock/sample-1"
2025-02-03 16:20 gotip-linux-arm64-asan-clang15 go@caedd0a8 runtime.TestRuntimeLockMetricsAndProfile/runtime.lock/sample-1 (log) 
=== RUN   TestRuntimeLockMetricsAndProfile/runtime.lock/sample-1
    metrics_test.go:1065: lock contention growth in runtime/pprof's view  (0.052108s)
    metrics_test.go:1066: lock contention growth in runtime/metrics' view (0.052104s)
    metrics_test.go:1104: stack [runtime.unlock runtime_test.TestRuntimeLockMetricsAndProfile.func5.1 runtime_test.(*contentionWorker).run] has samples totaling n=199 value=44066160
    metrics_test.go:1192: mutex profile reported contention count different from the known true count (199 != 200)
--- FAIL: TestRuntimeLockMetricsAndProfile/runtime.lock/sample-1 (0.06s)

— watchflakes

@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Feb 3, 2025
@mknyszek
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mknyszek commented Feb 5, 2025

CC @rhysh

@mknyszek mknyszek added this to the Backlog milestone Feb 5, 2025
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestRuntimeLockMetricsAndProfile/runtime.lock/sample-1"
2025-03-06 21:35 gotip-linux-arm64-race go@584e6310 runtime.TestRuntimeLockMetricsAndProfile/runtime.lock/sample-1 (log) 
=== RUN   TestRuntimeLockMetricsAndProfile/runtime.lock/sample-1
    metrics_test.go:1065: lock contention growth in runtime/pprof's view  (0.037789s)
    metrics_test.go:1066: lock contention growth in runtime/metrics' view (0.037789s)
    metrics_test.go:1104: stack [runtime.unlock runtime_test.TestRuntimeLockMetricsAndProfile.func5.1 runtime_test.(*contentionWorker).run] has samples totaling n=199 value=35586077
    metrics_test.go:1192: mutex profile reported contention count different from the known true count (199 != 200)
--- FAIL: TestRuntimeLockMetricsAndProfile/runtime.lock/sample-1 (0.05s)

— watchflakes

@mknyszek
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Closing as duplicate of #70602.

@mknyszek mknyszek closed this as not planned Won't fix, can't repro, duplicate, stale Mar 12, 2025
@github-project-automation github-project-automation bot moved this from Todo to Done in Go Compiler / Runtime Mar 12, 2025
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Labels
compiler/runtime Issues related to the Go compiler and/or runtime. NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Projects
Go Compiler / Runtime
Status: Done
Test Flakes
Status: Done
Milestone
Backlog
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@mknyszek @gopherbot