| commit | ce46f197b6c75281b77ee93338e2559671e28b01 | [log] [tgz] |
|---|---|---|
| author | Michael Anthony Knyszek <mknyszek@google.com> | Thu Jul 23 20:48:06 2020 +0000 |
| committer | Michael Knyszek <mknyszek@google.com> | Mon Oct 26 17:26:01 2020 +0000 |
| tree | 59d8eacdc2fc7dab3b04a724f4e2e32cb223f9c2 | |
| parent | f5c6875f3228951afa1fcf2ec01c614e0fb7e2dd [diff] |
runtime: access the assist ratio atomically This change makes it so that the GC assist ratio (the pair of gcControllerState fields assistBytesPerWork and assistWorkPerByte) is updated atomically. Note that the pair of fields are not updated together atomically, but that's OK. The code here was already racy for some time and in practice the assist ratio moves very slowly. The purpose of this change is so that we can document gcController.revise to be safe for concurrent use, which will be useful in further changes. Change-Id: Ie25d630207c88e4f85f2b8953f6a0051ebf1b4ea Reviewed-on: https://go-review.googlesource.com/c/go/+/246963 Trust: Michael Knyszek <mknyszek@google.com> Run-TryBot: Michael Knyszek <mknyszek@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Michael Pratt <mpratt@google.com>
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