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.github: issue template doesn't describe toolchain selection

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

OtherNone of the above.None of the above.

Status: Open.

#75043 In golang/go;

· rhysh opened on Aug 15, 2025

cmd/trace: syscall profile omits most events

BugReportIssues describing a possible bug in the Go implementation.Issues describing a possible bug in the Go implementation.

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Status: Open.

#74850 In golang/go;

· rhysh opened on Aug 1, 2025

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Backlog

runtime: block and mutex profile aren't meaningful with faketime

BugReportIssues describing a possible bug in the Go implementation.Issues describing a possible bug in the Go implementation.

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Status: Open.

#73836 In golang/go;

· rhysh opened on May 22, 2025

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Backlog

runtime: non-preemptible zeroing in clear, append, bytes.growSlice, etc

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Performance

Status: Open.

#69327 In golang/go;

· rhysh opened on Sep 6, 2024

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Backlog

runtime: consider removing osyield call from lock2

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Performance

Status: Open.

#69268 In golang/go;

· rhysh opened on Sep 4, 2024

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Unplanned

runtime: implement procyield as ISB instruction on arm64

arch-arm64

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Performance

Status: Open.

#69232 In golang/go;

· rhysh opened on Sep 3, 2024

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Backlog

runtime/pprof: GOOS=darwin over-reports CPU usage in mutex-heavy workload

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

OS-Darwin

Status: Open.

#68477 In golang/go;

· rhysh opened on Jul 16, 2024

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Backlog

runtime/trace: "preempted" StateTransition sometimes has Stack of single zeroed StackFrame

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Status: Open.

#68090 In golang/go;

· rhysh opened on Jun 20, 2024

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Go1.26

runtime: consider CNTVCT_EL0 to implement cputicks on ARM64

arch-arm64

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Performance

Status: Open.

#67937 In golang/go;

· rhysh opened on Jun 11, 2024

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Backlog

runtime: ~5% regression in ParallelizeUntil/pieces:1000,workers:10,chunkSize:1-8 sec/op at 450ecbe

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Performance

Status: Open.

#64455 In golang/go;

· rhysh opened on Nov 29, 2023

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Backlog

cmd/trace: give more context to "Scheduler wait" table column on /goroutine page

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Status: Open.

#63430 In golang/go;

· rhysh opened on Oct 6, 2023

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Backlog

runtime: MemStats fields should document their runtime/metrics equivalents

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

DocumentationIssues describing a change to documentation.Issues describing a change to documentation.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Status: Open.

#63424 In golang/go;

· rhysh opened on Oct 6, 2023

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Backlog