golang/go

runtime:cpu1: TestPreemptionAfterSyscall/100µs failures

Open

#72,965 opened on Mar 20, 2025

View on GitHub
 (80 comments) (0 reactions) (0 assignees)Go (19,008 forks)batch import
AutomationNeedsInvestigationcompiler/runtimehelp wanted

Repository metrics

Stars
 (133,883 stars)
PR merge metrics
 (No merged PRs in 30d)

Description

#!watchflakes
default <- pkg == "runtime:cpu1" && test == "TestPreemptionAfterSyscall/100µs"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestPreemptionAfterSyscall/100µs
    proc_test.go:1082: timeout exceeded: 6.015091541s (5s)
--- FAIL: TestPreemptionAfterSyscall/100µs (12.08s)

— watchflakes

Contributor guide

Research direction
Investigate the preemption mechanism and syscall handling in the Go runtime, focusing on the 100µs case. Trace the test execution path and identify potential timing issues or locking problems.
Tech stack
go
Domain
backend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Go
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30