diff options
| author | Michael Anthony Knyszek <mknyszek@google.com> | 2023-05-17 16:36:07 +0000 |
|---|---|---|
| committer | Michael Knyszek <mknyszek@google.com> | 2023-05-19 13:38:43 +0000 |
| commit | a3e90dc3775307e5f0de0e2c0726841c17363616 (patch) | |
| tree | e955bc7b1b5a0cf565c2f87e5a77586644e68118 /src/runtime/mpagealloc.go | |
| parent | 0bbb54a02d38d067b9a39d85cfc425f0ddc2962e (diff) | |
| download | go-a3e90dc3775307e5f0de0e2c0726841c17363616.tar.xz | |
runtime: add eager scavenging details to GODEBUG=scavtrace=1
Also, clean up atomics on released-per-cycle while we're here.
For #57069.
Change-Id: I14026e8281f01dea1e8c8de6aa8944712b7b24d9
Reviewed-on: https://go-review.googlesource.com/c/go/+/495916
Reviewed-by: Michael Pratt <mpratt@google.com>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Diffstat (limited to 'src/runtime/mpagealloc.go')
| -rw-r--r-- | src/runtime/mpagealloc.go | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/runtime/mpagealloc.go b/src/runtime/mpagealloc.go index 12ae474a4d..ed53a5672b 100644 --- a/src/runtime/mpagealloc.go +++ b/src/runtime/mpagealloc.go @@ -48,6 +48,7 @@ package runtime import ( + "runtime/internal/atomic" "unsafe" ) @@ -270,10 +271,13 @@ type pageAlloc struct { // scavenge. index scavengeIndex - // released is the amount of memory released this scavenge cycle. - // - // Updated atomically. - released uintptr + // releasedBg is the amount of memory released in the background this + // scavenge cycle. + releasedBg atomic.Uintptr + + // releasedEager is the amount of memory released eagerly this scavenge + // cycle. + releasedEager atomic.Uintptr } // mheap_.lock. This level of indirection makes it possible |