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| author | Dan Scales <danscales@google.com> | 2020-05-12 15:44:47 -0700 |
|---|---|---|
| committer | Dan Scales <danscales@google.com> | 2020-05-14 18:58:17 +0000 |
| commit | f474e9e549b248653875c340b3c6d7ab495decfe (patch) | |
| tree | d1094db6003816573808704dee16df993426a331 /src/runtime/lockrank.go | |
| parent | 5c802c13e88b700b9acaf390d495a92101214e2b (diff) | |
| download | go-f474e9e549b248653875c340b3c6d7ab495decfe.tar.gz go-f474e9e549b248653875c340b3c6d7ab495decfe.zip | |
runtime: add a lock partial order edge (assistQueue -> mspanSpecial)
From interesting stack trace from GC assist through memory profiling to
addspecial().
Fixes #39022
Change-Id: Ia0506b820fe29ae91490b61c4e9c2fffcad9f7d6
Reviewed-on: https://go-review.googlesource.com/c/go/+/233599
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
Diffstat (limited to 'src/runtime/lockrank.go')
| -rw-r--r-- | src/runtime/lockrank.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/runtime/lockrank.go b/src/runtime/lockrank.go index 899c4e2e85..d97afac6a2 100644 --- a/src/runtime/lockrank.go +++ b/src/runtime/lockrank.go @@ -214,7 +214,7 @@ var lockPartialOrder [][]lockRank = [][]lockRank{ lockRankNotifyList: {}, lockRankTraceBuf: {lockRankScavenge}, lockRankTraceStrings: {lockRankTraceBuf}, - lockRankMspanSpecial: {lockRankScavenge, lockRankCpuprof, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankItab, lockRankReflectOffs, lockRankHchan, lockRankNotifyList, lockRankTraceBuf, lockRankTraceStrings}, + lockRankMspanSpecial: {lockRankScavenge, lockRankAssistQueue, lockRankCpuprof, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankItab, lockRankReflectOffs, lockRankHchan, lockRankNotifyList, lockRankTraceBuf, lockRankTraceStrings}, lockRankProf: {lockRankScavenge, lockRankAssistQueue, lockRankCpuprof, lockRankSweep, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankItab, lockRankReflectOffs, lockRankNotifyList, lockRankTraceBuf, lockRankTraceStrings, lockRankHchan}, lockRankGcBitsArenas: {lockRankScavenge, lockRankAssistQueue, lockRankCpuprof, lockRankSched, lockRankAllg, lockRankTimers, lockRankItab, lockRankReflectOffs, lockRankNotifyList, lockRankTraceBuf, lockRankTraceStrings, lockRankHchan}, lockRankRoot: {}, |