![]() We still don't understand what's causing there to be remaining GC work when we enter mark termination, but in order to move forward on this issue, this CL implements a work-around for the problem. If debugCachedWork is false, this CL does a second check for remaining GC work as soon as it stops the world for mark termination. If it finds any work, it starts the world again and re-enters concurrent mark. This will increase STW time by a small amount proportional to GOMAXPROCS, but fixes a serious correctness issue. This works-around #27993. Change-Id: Ia23b85dd6c792ee8d623428bd1a3115631e387b8 Reviewed-on: https://go-review.googlesource.com/c/156140 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Michael Knyszek <mknyszek@google.com> Reviewed-by: Rick Hudson <rlh@golang.org> |
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