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| author | Michael Anthony Knyszek <mknyszek@google.com> | 2020-07-23 22:16:46 +0000 |
|---|---|---|
| committer | Michael Knyszek <mknyszek@google.com> | 2020-10-26 17:26:30 +0000 |
| commit | cca3d1e5533cb40beb9ef55bbc332b733adcc6ba (patch) | |
| tree | 9263a547124bcf05af7c019ed18374deffc7f856 /src/runtime/mcache.go | |
| parent | a5088e76f108f6470d2a9b3ac56a58ddb9376e4f (diff) | |
| download | go-cca3d1e5533cb40beb9ef55bbc332b733adcc6ba.tar.gz go-cca3d1e5533cb40beb9ef55bbc332b733adcc6ba.zip | |
runtime: don't flush local_tinyallocs
This change makes local_tinyallocs work like the rest of the malloc
stats and doesn't flush local_tinyallocs, instead making that the
source-of-truth.
Change-Id: I3e6cb5f1b3d086e432ce7d456895511a48e3617a
Reviewed-on: https://go-review.googlesource.com/c/go/+/246967
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>
Diffstat (limited to 'src/runtime/mcache.go')
| -rw-r--r-- | src/runtime/mcache.go | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/runtime/mcache.go b/src/runtime/mcache.go index 4d2ba6dff0..fe603116a2 100644 --- a/src/runtime/mcache.go +++ b/src/runtime/mcache.go @@ -32,9 +32,8 @@ type mcache struct { // tiny is a heap pointer. Since mcache is in non-GC'd memory, // we handle it by clearing it in releaseAll during mark // termination. - tiny uintptr - tinyoffset uintptr - local_tinyallocs uintptr // number of tiny allocs not counted in other stats + tiny uintptr + tinyoffset uintptr // The rest is not accessed on every malloc. @@ -49,6 +48,7 @@ type mcache struct { // When read with stats from other mcaches and with the world // stopped, the result will accurately reflect the state of the // application. + local_tinyallocs uintptr // number of tiny allocs not counted in other stats local_largealloc uintptr // bytes allocated for large objects local_nlargealloc uintptr // number of large object allocations local_nsmallalloc [_NumSizeClasses]uintptr // number of allocs for small objects @@ -151,6 +151,8 @@ func (c *mcache) donate(d *mcache) { d.local_nsmallfree[i] += c.local_nsmallfree[i] c.local_nsmallfree[i] = 0 } + d.local_tinyallocs += c.local_tinyallocs + c.local_tinyallocs = 0 } // refill acquires a new span of span class spc for c. This span will |