runtime

infinite loop in lockextra on linux/armNeedsInvestigation

#34391 opened 3 days ago by nyuichi

mcentral.freeSpan bug for empty?WaitingForInfo

#34316 opened 6 days ago by LeoYang90

"panic: runtime error: growslice: cap out of range" when creating slice from an unsafe.Pointer in another part of programNeedsInvestigation

#34288 opened 1 week ago by Lomanic

futex contention caused by memory allocation in goroutinesNeedsInvestigation

#34231 opened 1 week ago by flxkl

lock cycle between mheap_.lock and gcSweepBuf.spineLockNeedsInvestigation

#34156 opened 2 weeks ago by mknyszek

potential deadlock cycle caused by scavenge.lock [1.13 backport]CherryPickCandidate

#34150 opened 2 weeks ago by gopherbot

scavenger pacing fails to account for fragmentation [1.13 backport]CherryPickCandidate

#34149 opened 2 weeks ago by gopherbot

Timer buckets may get "stuck" for long periods of time after Windows 8/10 systems wake from sleep [1.13 backport]CherryPickCandidate

#34130 opened 2 weeks ago by gopherbot

debug.Stack() and runtime.Callers() PCs differ on panic trigger siteNeedsInvestigationrelease-blocker

#34123 opened 2 weeks ago by lggomez

scavenger pacing fails to account for fragmentation

#34048 opened 2 weeks ago by mknyszek

potential deadlock cycle caused by scavenge.lock

#34047 opened 2 weeks ago by mknyszek

"unexpected return pc for runtime.sigpanic" on darwin-amd64-10_11 builderNeedsInvestigationOS-Darwin

#34039 opened 2 weeks ago by bcmills

internal compiler error: Ctz64 & Initialize when bootstrapping a buildWaitingForInfo

#33977 opened 3 weeks ago by 0paIescent

darwin: ensure that no thread is consumed, nor a syscall.Read if FD isn't yet ready for I/ONeedsFixOS-DarwinSoon

#33953 opened 3 weeks ago by odeke-em

testtls ran too long on the android-amd64-emu trybotNeedsInvestigation

#33944 opened 3 weeks ago by mvdan

gc exhausts all cpu causing a short delay NeedsInvestigation

#33927 opened 3 weeks ago by Anteoy

make `GOMAXPROCS` cfs-aware on `GOOS=linux`NeedsInvestigation

#33803 opened 4 weeks ago by jcorbin

linux-s390x-ibm regression on release-branch.go1.12BuildersNeedsInvestigationTesting

#33757 opened 1 month ago by bcmills

A QEMU signaling fix causes Go binaries to fail on startup.NeedsInvestigationhelp wantedrelease-blocker

#33746 opened 1 month ago by joshkunz

VirtualAlloc of 0 bytes failed with errno=1455NeedsInvestigationOS-Windows

#33716 opened 1 month ago by ayanamist

unexpected fault address runtime.memhash16NeedsInvestigation

#33635 opened 1 month ago by kevinconaway

TestPanicSystemstack flake on linux-amd64-longtestNeedsInvestigation

#33626 opened 1 month ago by bcmills

netpollWaiters typically not decrementedNeedsInvestigation

#33624 opened 1 month ago by rutsky

GC: heap idle is not released to linuxNeedsInvestigationOS-Linux

#33376 opened 1 month ago by Anteoy

use PAGE_NOACCESS in sysReseveNeedsInvestigation

#33327 opened 1 month ago by alexbrainman

GoroutineProfile causes latency spikes in high-goroutine-count applicationNeedsInvestigationPerformance

#33250 opened 2 months ago by dpolansky

segmentation fault on linux/arm when GODEBUG=sbrk=1NeedsInvestigationWaitingForInfo

#33159 opened 2 months ago by mischief

concurrent object placement on heap causes Linux kernel contentionNeedsInvestigation

#33092 opened 2 months ago by midom

TestDebugCall* flaky on android-amd64-emuNeedsInvestigationmobile

#32985 opened 2 months ago by bcmills

scvg information is spamming with GODEBUG=gctrace=1NeedsDecision

#32952 opened 2 months ago by SunRunAway

raising the number of GOMAXPROCS cause oomNeedsInvestigation

#32950 opened 2 months ago by Anteoy

1.13 performance regression on kubernetes scalingNeedsInvestigationPerformancerelease-blocker

#32828 opened 2 months ago by mm4tt

sigtramp seems wrong in sys_linux_arm.sNeedsFix

#32738 opened 3 months ago by beenshi

apparent test deadlock on linux-amd64-raceNeedsInvestigationTesting

#32689 opened 3 months ago by bcmills

respect SA_RESETHAND when forwarding to non-Go signal handlerNeedsFix

#32659 opened 3 months ago by jimhuaang

apparent deadlock in image/gif test on linux-ppc64-buildletNeedsInvestigationTesting

#32613 opened 3 months ago by bcmills

non-blocking read on an empty closed channel takes the slow pathNeedsInvestigationPerformance

#32529 opened 3 months ago by bemasc

allow FreeBSD users to choose between MADV_FREE and MADV_DONTNEEDNeedsInvestigation

#32519 opened 3 months ago by araujobsd

program terminated with signal 7, bus errorNeedsInvestigationWaitingForInfo

#32446 opened 3 months ago by beibeiabeibei

performance degradation in high-load long running applicationsNeedsInvestigation

#32398 opened 3 months ago by akaspin

elided panic goroutine stack trace doesn't print "additional frames elided" since go1.8NeedsInvestigation

#32383 opened 3 months ago by maruel

apparent test deadlock on ppc64leNeedsInvestigationarch-ppc64x

#32327 opened 3 months ago by bcmills

"program exceeds 50-thread limit" in test of os package on darwin-arm-mg912baiosNeedsFixOS-Darwin

#32326 opened 3 months ago by bcmills

"found bad pointer in Go heap" on darwin-arm64-corellium builderNeedsInvestigationOS-Darwinmobile

#32324 opened 3 months ago by bcmills

Go routine and writer memory not being releasedNeedsInvestigation

#32124 opened 4 months ago by CyberNinja89

KeepAlive should perhaps keep things from being movedProposal

#32115 opened 4 months ago by seebs

optimization to reduce P churnNeedsInvestigationPerformance

#32113 opened 4 months ago by amscanne

"sweep increased allocation count" on darwin-arm64-corellium builderNeedsInvestigation

#32026 opened 4 months ago by bcmills

TestCgoCallbackGC flake on linux-ppc64le-power9osu builderNeedsInvestigationTesting

#32023 opened 4 months ago by bcmills

optionally (reliably) avoid netpoller NeedsInvestigation

#32009 opened 4 months ago by tamird

line-buffer goroutine dump output?NeedsDecision

#32002 opened 4 months ago by bradfitz

no examples for LockOSThread and UnlockOSThreadDocumentationNeedsInvestigationhelp wanted

#31911 opened 4 months ago by msoedov

implement CPU capability detection for openbsd/arm64NeedsFixOS-OpenBSDhelp wanted

#31746 opened 4 months ago by 4a6f656c

high-percentile latency of memory allocations has regressed significantly

#31678 opened 4 months ago by mknyszek

ARM uClinux crash with -buildmode=c-archiveNeedsFixhelp wanted

#31378 opened 5 months ago by ooepay

long pauses STW (sweep termination) on massive block allocationNeedsInvestigation

#31222 opened 5 months ago by un000

reduce function prologue overheadNeedsInvestigationPerformance

#31193 opened 5 months ago by aclements

TestLldbPython failing with 'no intvar'NeedsFixTesting

#31188 opened 5 months ago by josharian

stop single goroutineDebuggingNeedsInvestigation

#31132 opened 5 months ago by dlsniper

Consul process crash, and gdb pointing to Go codeNeedsInvestigationWaitingForInfo

#31032 opened 6 months ago by rohitjun

sweep increased allocation countNeedsInvestigation

#31006 opened 6 months ago by chathaway-codes

killed threads do not crash whole processNeedsInvestigation

#30753 opened 6 months ago by bobrik

CPU instruction "NOP" utilizes ~50% CPU and pprof doesn't explain thatNeedsInvestigation

#30708 opened 6 months ago by xaionaro

adopt mesh allocation technique?ExpertNeededFeatureRequestNeedsInvestigation

#30290 opened 7 months ago by stapelberg

simplify right shift and zero testNeedsFixPerformance

#30272 opened 7 months ago by TuomLarsen

tests fail with GDB 8.2 on linux/amd64NeedsInvestigation

#29963 opened 7 months ago by cuboci

scheduler randomness lostNeedsInvestigation

#29961 opened 7 months ago by ardan-bkennedy

cannot run go.exe on Windows Server 2016NeedsInvestigation

#29885 opened 8 months ago by huangyezuojia

expose morestack (or equivalent) to make calling into JIT'ed code easier (and less hacky)NeedsInvestigation

#29857 opened 8 months ago by twitchyliquid64

add way for applications to respond to GC backpressureProposal

#29696 opened 8 months ago by josharian

unexpected signal on Termux android/arm64NeedsInvestigation

#29623 opened 8 months ago by uudashr

GDB tests fail on freebsd/arm builderNeedsFixOS-FreeBSDhelp wanted

#29508 opened 8 months ago by bradfitz

unexpected signal during runtime execution on DebianNeedsInvestigation

#29377 opened 9 months ago by cosmtrek

PIEs don't detect deadlocksNeedsFixhelp wanted

#29322 opened 9 months ago by aarzilli

Livelock in mallocgcNeedsInvestigation

#29287 opened 9 months ago by ewhamilton

TestLldbPython fails for lldb 7.0.0NeedsInvestigation

#29244 opened 9 months ago by jimrobinson

panic + recover can cancel a call to GoexitNeedsInvestigation

#29226 opened 9 months ago by bcmills

incorrect constant value for PROCESS_ALL_ACCESSNeedsInvestigationTesting

#29176 opened 9 months ago by Rojuinex

potential for self-deadlock in runtime write barriers

#28993 opened 9 months ago by mknyszek

godoc crashes consistently with "still in list": OS X Mojave problem?NeedsInvestigation

#28949 opened 10 months ago by robpike

race detector on ARM64 doesn't fully workRaceDetector

#28848 opened 10 months ago by cherrymui

scheduler work stealing slow for high GOMAXPROCSNeedsInvestigation

#28808 opened 10 months ago by ChrisHines

types are not garbage collectedNeedsInvestigationPerformance

#28783 opened 10 months ago by rogpeppe

repeated syscalls inhibit periodic preemptionNeedsInvestigationPerformance

#28701 opened 10 months ago by benesch

provide access to info about recent GC cyclesProposalProposal-Hold

#28623 opened 10 months ago by prashantv

unknown pc during parallel benchmarksNeedsInvestigation

#28541 opened 10 months ago by mediocregopher

seg fault on Darwin in GC while under debuggerNeedsInvestigationOS-Linux

#28373 opened 11 months ago by robaho

sigpanic in scanframeworkerNeedsInvestigation

#28353 opened 11 months ago by tbg

Interferes with Windows timer frequencyNeedsInvestigationOS-Windows

#28255 opened 11 months ago by stevenh

segfault during test using -coverpkg and -race.NeedsInvestigationRaceDetector

#28109 opened 11 months ago by gaillard

arena mapping creates large core files and bad mlockall behaviorNeedsFixPerformance

#28081 opened 11 months ago by randall77

L2 arena maps are not accounted for in any runtime.MemStats fieldNeedsInvestigation

#28062 opened 11 months ago by siebenmann

fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?) on 386 FreeBSD after CL 138595NeedsInvestigationOS-FreeBSD

#28054 opened 11 months ago by paulzhol

error message: P has cached GC work at end of mark terminationGarbageCollectorNeedsFixearly-in-cycle

#27993 opened 11 months ago by ianlancetaylor

CallersFrames showing mangled package path for nonASCII pkg nameNeedsInvestigation

#27835 opened 1 year ago by thanm

string concatenation specializations for performanceNeedsInvestigationPerformance

#27801 opened 1 year ago by quasilyte

mark assist blocks GC microbenchmark for 7msGarbageCollectorNeedsInvestigationPerformance

#27732 opened 1 year ago by dr2chase

cgo Unix C code can't modify environment variables for GoDocumentationNeedsFix

#27693 opened 1 year ago by rmmh

tracebacks don't print function arguments for inlined functionsNeedsInvestigation

#27678 opened 1 year ago by rockmenjack

feature request: Support for ASLR with the heapNeedsInvestigation

#27583 opened 1 year ago by lattera

crash with "invalid pc-encoded table"NeedsInvestigation

#27540 opened 1 year ago by crxpandion

system experienced long pauses during GC markingGarbageCollectorNeedsInvestigation

#27410 opened 1 year ago by fmstephe

use parent goroutine's stack for new goroutinesNeedsInvestigationPerformance

#27345 opened 1 year ago by josharian

transparent hugepages on linux/mipsle causes segfaultsNeedsInvestigation

#26898 opened 1 year ago by josharian

defer/recover support in race detectorRaceDetector

#26813 opened 1 year ago by adilbaig

append is slower than make+assignments for small slices with known lengthNeedsInvestigationPerformance

#26734 opened 1 year ago by opennota

pack info into low bits of interface type pointersPerformance

#26680 opened 1 year ago by josharian

signal handling panics for signals generated by sigqueue/tgkillNeedsFix

#26625 opened 1 year ago by aclements

Caller returns wrong file and line if called in a deferred function during panicNeedsInvestigation

#26320 opened 1 year ago by ainar-g

document the behaviour of Caller and Callers when used in deferred functionsDocumentationNeedsFix

#26275 opened 1 year ago by ainar-g

SIGSEGV on a freebsd-amd64 builderNeedsInvestigationOS-FreeBSD

#26141 opened 1 year ago by mvdan

g0 stack.lo is sometimes too lowNeedsFix

#26061 opened 1 year ago by aclements

use wrappers for op= map operationsNeedsInvestigationPerformance

#26059 opened 1 year ago by randall77

SIGSEGV when building on freebsd ARMNeedsInvestigationOS-FreeBSD

#25770 opened 1 year ago by artooro

TestGdbPython flaky on linux-mipsle builderNeedsInvestigationTestinghelp wanted

#25697 opened 1 year ago by bcmills

use clock_gettime instead of gettimeofday on DarwinNeedsFixOS-Darwin

#25633 opened 1 year ago by randall77

unexpected return pc for runtime.selectgo called from 0xXXXNeedsInvestigation

#25602 opened 1 year ago by meilihao

support resuming a single goroutine under debuggersDebuggingNeedsInvestigation

#25578 opened 1 year ago by aclements

opportunistically rotate map key seedNeedsFixSuggested

#25237 opened 1 year ago by josharian

can not read stacktrace from a core fileDebuggingNeedsInvestigation

#25218 opened 1 year ago by aarzilli

"runtime·unlock: lock count" on Go 1.10.1 when cgo is enabledNeedsInvestigation

#25128 opened 1 year ago by SuperQ

improve performance of grow() in mheap.goNeedsFixPerformance

#25091 opened 1 year ago by jerrinsg

android backtraces do not include go backtraceNeedsInvestigationOS-Android

#25035 opened 1 year ago by zx2c4

sparse zeroing in mallocgcPerformance

#24928 opened 1 year ago by josharian

use register instead of TLS for G pointer for darwin/arm and darwin/arm64OS-Darwin

#24793 opened 1 year ago by randall77

SIGSEGV from runtime.(*timersBucket).addtimerLocked on darwin/arm64NeedsInvestigation

#24790 opened 1 year ago by eliasnaur

testtls segmentation fault on a linux-arm builderNeedsInvestigationTesting

#24758 opened 1 year ago by mvdan

add g.pPerformance

#24686 opened 1 year ago by josharian

segfault in sync.Pool when using a shared runtimeNeedsInvestigation

#24640 opened 1 year ago by otavio

gentraceback no longer skips stack frames when printingNeedsFix

#24628 opened 1 year ago by odeke-em

TestGdbPython flaky on linuxNeedsFixOS-LinuxTestinghelp wanted

#24616 opened 2 years ago by bradfitz

use CLOCK_BOOTIME, not CLOCK_MONOTONIC, when possibleNeedsFixearly-in-cycle

#24595 opened 2 years ago by ianlancetaylor

support for cgo pprof is currently heavily Linux-dependentWaitingForInfo

#24545 opened 2 years ago by tenortim

non-cooperative goroutine preemptionProposalProposal-Accepted

#24543 opened 2 years ago by aclements

panic: runtime error: index out of range on all commands on DarwinNeedsInvestigationOS-Darwin

#24394 opened 2 years ago by patricklunney

remove g.gcscanvalidNeedsFix

#24363 opened 2 years ago by josharian

Go runtime in DLL marks stdin/out/err not inherited on WindowsNeedsInvestigationOS-Windows

#24328 opened 2 years ago by tomcnolan

ignore map size hint if there's not enough memory?NeedsFix

#24308 opened 2 years ago by mfrw

wrong Unix error code from panic.NeedsFixearly-in-cycle

#24284 opened 2 years ago by robpike

"runtime: unexpected return pc for testing.tRunner called from 0x0"NeedsInvestigationOS-Windowsmobile

#24267 opened 2 years ago by eliasnaur

optimize comparison of large values with zeroPerformance

#23929 opened 2 years ago by josharian

always log GC details in-memoryNeedsFix

#23815 opened 2 years ago by heschik

stack grow panic tracing back through sigpanic from signal handlerNeedsInvestigation

#23484 opened 2 years ago by eliasnaur

Windows service timeout during system startup NeedsInvestigationOS-Windowshelp wanted

#23479 opened 2 years ago by kneden

make defs_$GOOS.go regeneratable

#23341 opened 2 years ago by hirochachacha

memmove sometimes faster than memclrNoHeapPointersNeedsInvestigationPerformance

#23306 opened 2 years ago by alandonovan

high contention in mheap_.lock causing low CPU utilization on allocation-intensive workloadNeedsInvestigationPerformance

#23182 opened 2 years ago by bryanpkc

-l=4 build fails on SolarisNeedsFixOS-Solaris

#23168 opened 2 years ago by bradfitz

delineate multiple panics by adding newlines between themNeedsFixhelp wanted

#23097 opened 2 years ago by dotaheor

add a mechanism for specifying a minimum target heap sizeProposalProposal-Hold

#23044 opened 2 years ago by cespare

unsafe pointer mapsNeedsInvestigation

#22931 opened 2 years ago by RLH

gdb tests fail on NetBSDNeedsInvestigationOS-NetBSDhelp wanted

#22893 opened 2 years ago by bradfitz

GC can thrash on very small heapsPerformance

#22743 opened 2 years ago by aclements

fractional worker preemption causes performance degradation for single cpuNeedsInvestigationPerformance

#22693 opened 2 years ago by TocarIP

goroutines linger in GC assist queueNeedsInvestigationPerformance

#22654 opened 2 years ago by rhysh

TestWindowsStackMemoryCgo is flakyNeedsInvestigationOS-Windowshelp wanted

#22575 opened 2 years ago by alexbrainman

race detector: more aggressive scheduler perturbationsNeedsInvestigationRaceDetector

#22569 opened 2 years ago by bcmills

windows-amd64-race builder fails with errno=1455NeedsInvestigationOS-Windows

#22553 opened 2 years ago by alexbrainman

expose faketime for testing on normal architecturesNeedsInvestigation

#22549 opened 2 years ago by whyrusleeping

signal 28 received on thread with no signal stackNeedsInvestigationWaitingForInfo

#22333 opened 2 years ago by jimrobinson

TestLldbPython test fails with lldb 3.8 on linuxNeedsFixTestinghelp wanted

#22299 opened 2 years ago by hyangah

crash on Plan 9 since CL 46033NeedsInvestigationOS-Plan9help wanted

#22227 opened 2 years ago by 0intro

ebpf uprobe supportOS-Linuxhelp wanted

#22008 opened 2 years ago by shashankmjain

use atomic.Store instead of simple assignmentNeedsInvestigationearly-in-cycle

#21931 opened 2 years ago by minaevmike

big performance penalty with runtime.LockOSThreadNeedsInvestigation

#21827 opened 2 years ago by navytux

avoid functions forbidden on Windows 10 UWPNeedsInvestigationOS-Windowshelp wanted

#21805 opened 2 years ago by MaxRis

add mode for pointer-past-end testingNeedsFix

#21730 opened 2 years ago by aclements

improve "sweep increased allocation count" diagnosticsNeedsFix

#21729 opened 2 years ago by aclements

Reducing theoretical heap fragmentationGarbageCollector

#21695 opened 2 years ago by RLH

improve barrier implementation layeringNeedsFix

#21640 opened 2 years ago by josharian

apply strength reduction optimizations to generic map routinesPerformance

#21639 opened 2 years ago by josharian

audit mapfast routines for indirectvalue supportNeedsFixTesting

#21547 opened 2 years ago by josharian

add and use go:nosplitrec compilation directiveNeedsFix

#21314 opened 2 years ago by ianlancetaylor

label runtime functions based on their rolesFeatureRequestNeedsFixhelp wanted

#21190 opened 2 years ago by hyangah

before execve, set signal mask according to os/signal functionsNeedsFixearly-in-cycle

#21078 opened 2 years ago by ianlancetaylor

sub optimal gc scalabilityNeedsInvestigationPerformance

#21056 opened 2 years ago by TocarIP

textflag for CABINeedsFixhelp wanted

#21004 opened 2 years ago by crawshaw

add test for syscall failing to create new OS thread during syscall.ExecNeedsFixTesting

#20822 opened 2 years ago by jvshahid

TestGdbPython* fails on solarisNeedsFixOS-SolarisTesting

#20821 opened 2 years ago by binarycrusader

signal handling: sighandler crash due to race with signal.IgnoreNeedsInvestigation

#20748 opened 2 years ago by bcmills

program with deadlock doesn't fail if use -race flagNeedsInvestigationRaceDetector

#20588 opened 2 years ago by nizsheanez

make crashing more useful on WindowsNeedsFixOS-Windowshelp wanted

#20498 opened 2 years ago by bhiggins

signal handling: Go assumes SA_RESTART, but does not enforce itNeedsFixhelp wanted

#20400 opened 2 years ago by bcmills

select on a shared channel is slow with many PsPerformance

#20351 opened 2 years ago by bradfitz

GC turning on/off disruptive to scheduler and localityNeedsInvestigationPerformanceToolSpeed

#20307 opened 2 years ago by josharian

maps do not shrink after elements removal (delete)NeedsFixPerformance

#20135 opened 2 years ago by genez

fatal error: addspecial on invalid pointerNeedsInvestigationOS-Androidhelp wantedmobile

#20082 opened 2 years ago by fjl

TestSetGCPercent flakyNeedsInvestigationTestinghelp wanted

#20076 opened 2 years ago by josharian

name offset out of range in go1.7.3NeedsInvestigationWaitingForInfo

#20047 opened 2 years ago by ianrose14

add per-G shadows of writeBarrier.enabledPerformanceProposalProposal-Accepted

#20005 opened 2 years ago by sorear

reuse evacuated map overflow bucketsPerformance

#19992 opened 2 years ago by josharian

crash in hybrid barrier initializing C memoryNeedsInvestigation

#19928 opened 2 years ago by rsc

count globals toward GC triggerNeedsInvestigationPerformance

#19839 opened 2 years ago by josharian

redirect println(runtime.writeErr) to NSLog(asl_log) on iOSProposalProposal-Accepted

#19744 opened 2 years ago by bronze1man

performance problem with many Cgo callsPerformance

#19574 opened 2 years ago by petermattis

better support for 64bit div/mod operations on 32bit platformsPerformance

#19509 opened 2 years ago by martisch

measure actual CPU time of GC

#19497 opened 2 years ago by aclements

working with small maps is 4x-10x slower than in nodejsPerformance

#19495 opened 2 years ago by navytux

avoid multiple returns from deferproc

#19466 opened 2 years ago by randall77

signal handling: async signals should forward to existing C handlers by default

#19465 opened 2 years ago by bcmills

osyield is expensive on darwin?OS-DarwinPerformanceearly-in-cycle

#19409 opened 2 years ago by josharian

TestStackGrowth "finalizer did not run" flakesNeedsInvestigationTesting

#19381 opened 2 years ago by bradfitz

do map growth work on readsPerformance

#19094 opened 2 years ago by josharian

add AlignedN types that can be used to increase alignmentProposalProposal-Hold

#19057 opened 2 years ago by ianlancetaylor

timeout in runtime/pprof on linux-amd64-raceNeedsInvestigationTesting

#18884 opened 2 years ago by dsnet

refactor assembly for C calls in signal handlers

#18352 opened 2 years ago by bcmills

dlopen/dlsym without CGo

#18296 opened 2 years ago by iamacarpet

scheduler is slow when goroutines are frequently wokenNeedsInvestigationPerformance

#18237 opened 2 years ago by philhofer

frequent blocking syscalls cause high sysmon overheadNeedsInvestigationPerformance

#18236 opened 2 years ago by philhofer

latency in sweep assists when there's no garbageNeedsFix

#18155 opened 2 years ago by rhysh

new goroutines can spend excessive time in morestackNeedsInvestigationPerformanceearly-in-cycle

#18138 opened 2 years ago by petermattis

stack growth during critical section harms performanceNeedsInvestigationPerformance

#18020 opened 2 years ago by gyuho

aggressive GC completion is disruptive to co-tenantsNeedsInvestigationPerformanceearly-in-cycle

#17969 opened 2 years ago by rhysh

nice -20 causes thread exhaustion on ARMNeedsInvestigation

#17803 opened 2 years ago by shahinv

remove all pointers from type information

#17724 opened 2 years ago by crawshaw

preemption takes longer on OpenBSDNeedsInvestigationOS-OpenBSD

#17712 opened 2 years ago by mdempsky

gdb command "goroutine 1 bt" fails on core fileDebuggingNeedsFix

#17575 opened 2 years ago by kayuuzu

remove mutex from UDP reads/writesNeedsInvestigationPerformance

#17520 opened 2 years ago by neild

TestSignalIgnoreSIGTRAP flaky on OpenBSDNeedsInvestigationOS-OpenBSDhelp wanted

#17496 opened 2 years ago by bradfitz

re-enable TestGdbPython and TestGdbBacktrace on linux/ppc64 (BE) if/when it gets cgo supportNeedsFix

#17366 opened 3 years ago by bradfitz

expose number of running/runnable goroutinesNeedsFixearly-in-cycle

#17089 opened 3 years ago by fd

mark long lived objects with a special flagFeatureRequestNeedsDecision

#17047 opened 3 years ago by dlsniper

hung system call starting process on OS X 10.8NeedsInvestigationOS-Darwin

#17033 opened 3 years ago by bradfitz

profile goroutine creationNeedsDecision

#16894 opened 3 years ago by rhysh

mechanism for monitoring heap sizeNeedsDecision

#16843 opened 3 years ago by bradfitz

simplify brk_ usage on plan9OS-Plan9

#16839 opened 3 years ago by josharian

use frame pointers for callersNeedsFixPerformanceearly-in-cycle

#16638 opened 3 years ago by dvyukov

Add loosely ordered channels?Proposal

#16364 opened 3 years ago by YuriyNasretdinov

main_init_done can be implemented more efficientlyNeedsFixPerformance

#15943 opened 3 years ago by ianlancetaylor

checkmark doesn't follow one-word objects with finalizersNeedsFix

#15903 opened 3 years ago by aclements

unexpected fault address 0xffffffffffffffff (and other more innocent addresses)

#15861 opened 3 years ago by MStoykov

pprof should report non-heap memoryFeatureRequestNeedsFix

#15848 opened 3 years ago by aclements

add SchedStats APIFeatureRequestProposalProposal-Holdearly-in-cycle

#15490 opened 3 years ago by deft-code

significant performance improvement on single core machines

#15395 opened 3 years ago by icecrime

heavy time.Now usage cause taskgated to consume lots of cpuNeedsInvestigationPerformance

#15290 opened 3 years ago by davecheney

floating point error panicOS-Plan9

#15234 opened 3 years ago by sirnewton01

avoid unnecessary work in allocSpanLocked

#15226 opened 3 years ago by josharian

current heapdump format is undocumentedDocumentationNeedsFix

#15169 opened 3 years ago by mdempsky

40us pause in file-backed serve loopsPerformance

#15110 opened 3 years ago by dbentley

hot vars and cache lines

#14980 opened 3 years ago by josharian

defer is slowPerformanceearly-in-cycle

#14939 opened 3 years ago by minux

consider write barrier short-circuit when *dst == srcPerformance

#14921 opened 3 years ago by josharian

x_cgo_init determines stacklo incorrectly for some Solaris versions

#14865 opened 3 years ago by binarycrusader

GC causes latency spikesNeedsInvestigationPerformanceWaitingForInfoearly-in-cycle

#14812 opened 3 years ago by Dieterbe

108

throttle heap growth

#14735 opened 3 years ago by dvyukov

add softfloat for mips64?

#14635 opened 3 years ago by minux

let idle OS threads exitNeedsDecision

#14592 opened 3 years ago by brianmario

rationalize runtime.ErrorsGo2Go2CleanupProposal

#14443 opened 3 years ago by aclements

_cgoCheckPointer0 extreme overhead

#14265 opened 3 years ago by tgulacsi

GC should wake up idle PsNeedsFixPerformance

#14179 opened 3 years ago by aclements

improve performance of IndexByte on older processorsNeedsFixPerformance

#14059 opened 3 years ago by randall77

runtime-gdb.py does not exist for gccgo

#13641 opened 3 years ago by laboger

c-shared builds fail with musllibc

#13492 opened 3 years ago by mdempsky

additional memory profiler report modes or similar

#13463 opened 3 years ago by dvyukov

annotation for sysAlloced types

#13386 opened 3 years ago by aclements

print all threads in GOTRACEBACK >= allNeedsFix

#13161 opened 3 years ago by aclements

lock_sema.go uses LIFO ordering for waking blocked Ms

#13056 opened 3 years ago by mdempsky

Plan 9 stuck forever in TestNoHelperGoroutinesOS-Plan9

#12992 opened 3 years ago by bradfitz

merge .go files produced by cgo into their counterparts

#12952 opened 3 years ago by nodirt

runtime-gdb_test mapvar failure on Fedora 20

#12830 opened 4 years ago by MartinSteffen

memory and performance degradation

#12640 opened 4 years ago by dvyukov

throw in linked c++ library causes app crash even if caught, on windows platformNeedsInvestigationOS-Windowshelp wanted

#12516 opened 4 years ago by superbaddude

c-shared with LD_PRELOAD does not work for some programs

#12465 opened 4 years ago by AkihiroSuda

revisit non-constant assist ratio

#12234 opened 4 years ago by aclements

check for no preemption during write barrier

#12069 opened 4 years ago by rsc

check indirect calls for nosplitNeedsInvestigation

#12037 opened 4 years ago by rsc

reenable TestCgoCallbackGC on dragonflyNeedsFixOS-Dragonfly

#11990 opened 4 years ago by mikioh

whole span reclaimer is expensive

#11979 opened 4 years ago by aclements

Version() string should be more easily discernible

#11972 opened 4 years ago by griesemer

Additional Allocator Metrics in `runtime.MemStats`

#11890 opened 4 years ago by matttproud

make panic dumps more readableNeedsDecision

#11850 opened 4 years ago by eloff

make it possible to know the go initialization in shared libraries is finished without calling a go function

#11768 opened 4 years ago by hnakamur

refactor into separate subpackagesNeedsFix

#11647 opened 4 years ago by michaelmatloob

display fully-qualified types when strings are equal in unequal type panic

#11634 opened 4 years ago by Frumious

document P statesDocumentation

#11425 opened 4 years ago by aclements

support dlclose with -buildmode=c-shared

#11100 opened 4 years ago by mattn

tight loops should be preemptibleNeedsFixearly-in-cycle

#10958 opened 4 years ago by aclements

121

optimize arm atomic operations

#10873 opened 4 years ago by minux

should traceTickDiv be different for different architectures?

#10554 opened 4 years ago by minux

GC behavior in non-steady mode

#10064 opened 4 years ago by dvyukov

dead Gs cause span fragmentation

#9869 opened 4 years ago by randall77

TestGdbLoadRuntimeSupport fails on non intel platforms

#9820 opened 4 years ago by davecheney

cgo performance tracking bugPerformance

#9704 opened 4 years ago by minux

support partial object collection in GCGarbageCollector

#9618 opened 4 years ago by yichengq

reduce StackGuardNeedsFix

#9214 opened 4 years ago by rsc

support parallel cache-oblivious algorithmsPerformance

#9129 opened 4 years ago by dvyukov

remove implementation restriction on channel element size

#9120 opened 4 years ago by bradfitz

make chan-based generators fasterPerformance

#8903 opened 5 years ago by dvyukov

special case chan struct{}Performance

#8902 opened 5 years ago by dvyukov

squeeze Hchan into 64 bytes Performance

#8901 opened 5 years ago by dvyukov

throttle goroutines on async chans Performance

#8900 opened 5 years ago by dvyukov

lock-free channelsPerformance

#8899 opened 5 years ago by dvyukov

special case timer channelsNeedsFixPerformanceearly-in-cycle

#8898 opened 5 years ago by dvyukov

fine-grained locking in selectPerformanceearly-in-cycle

#8896 opened 5 years ago by dvyukov

remove unnecessary allocations in convT2EPerformance

#8892 opened 5 years ago by dvyukov

don't do unnecessary loads on malloc fast pathPerformance

#8887 opened 5 years ago by dvyukov

don't pass *Type to new Performance

#8886 opened 5 years ago by dvyukov

consider adding 24-byte size classPerformanceearly-in-cycle

#8885 opened 5 years ago by dvyukov

efficient access to thread-local dataPerformance

#8884 opened 5 years ago by dvyukov

consider using SetFileIoOverlappedRangeOS-WindowsPerformance

#8883 opened 5 years ago by dvyukov

shrink stacks more aggressively on explicit GC

#8758 opened 5 years ago by randall77

unify API for runtime/internal/atomic and sync/atomicPerformance

#8739 opened 5 years ago by dvyukov

windows system clock resolution issueOS-Windows

#8687 opened 5 years ago by defia

make GC runtime stats test run on GCE

#8634 opened 5 years ago by bradfitz

don't allocate for non-escaping conversions to interface{}Performance

#8618 opened 5 years ago by randall77

fatal error: cannot map pages in arena address space on WindowsOS-Windows

#8491 opened 5 years ago by gopherbot

TestStackMem needs to be run in isolation to be accurate

#8446 opened 5 years ago by randall77

improve goroutine profiler

#7926 opened 5 years ago by dvyukov

use user-mode scheduling on WindowsOS-WindowsPerformanceThinking

#7876 opened 5 years ago by dvyukov

gc can add clock tick latency when HPETs are not used

#7763 opened 5 years ago by 4ad

TestFinalizerX fails on *bsd/amd64Suggested

#7529 opened 5 years ago by mikioh

stack traces of endless recursion should print top and bottom

#7181 opened 5 years ago by griesemer

runtime_test execution of nm uses system go, not go in tree

#7089 opened 5 years ago by randall77

CTRL_CLOSE_EVENT should generate SIGHUP on WindowsOS-WindowsSuggested

#6948 opened 5 years ago by anacrolix

sockets closed by remote peer may remain undetected by poller

#6753 opened 5 years ago by remyoudompheng

win32 should support more than 64 processorsOS-Windows

#6296 opened 6 years ago by lexprfuncall

make timers fasterPerformance

#6239 opened 6 years ago by dvyukov

malloc flags should be subsumed by the type information provided to mallogc

#6237 opened 6 years ago by lexprfuncall

threadcreate profile is broken

#6104 opened 6 years ago by dvyukov

problems running Windows binary under WINEOS-Windows

#5831 opened 6 years ago by hanwen

TestCgoCrashHandler and TestCgoSignalDeadlock compilation failure on openbsd/amd64OS-OpenBSD

#5415 opened 6 years ago by gopherbot

detect zombie goroutines

#5308 opened 6 years ago by dvyukov

consider caching previous map hash valuePerformance

#5147 opened 6 years ago by bradfitz

add a "goroutine apply all" function to GDB plugin

#4439 opened 6 years ago by remyoudompheng

runtime.Caller returns always '/' separator in file paths on WindowsNeedsDecisionOS-Windows

#3335 opened 7 years ago by gopherbot

windows DLL mappings interfere with 32-bit memory allocationOS-Windowshelp wanted

#2323 opened 8 years ago by gopherbot