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| author | Michael Anthony Knyszek <mknyszek@google.com> | 2018-10-15 23:00:58 +0000 |
|---|---|---|
| committer | Michael Knyszek <mknyszek@google.com> | 2018-10-30 15:28:07 +0000 |
| commit | 61d40c8abc82fd845b5e4340bdf0495de0de7ecd (patch) | |
| tree | 5d35ea74c909d5a01b7aca3ceb21dd54dd0bbcae /src | |
| parent | 78bb91cbd34a8f2f3784ba5df94c0e56c44fc751 (diff) | |
| download | go-61d40c8abc82fd845b5e4340bdf0495de0de7ecd.tar.xz | |
runtime: extend ReadMemStatsSlow to re-compute HeapReleased
This change extends the test function ReadMemStatsSlow to re-compute
the HeapReleased statistic such that it is checked in testing to be
consistent with the bookkeeping done in the runtime.
Change-Id: I49f5c2620f5731edea8e9f768744cf997dcd7c22
Reviewed-on: https://go-review.googlesource.com/c/142397
Run-TryBot: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime/export_test.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/runtime/export_test.go b/src/runtime/export_test.go index 89f887b765..56dd95e469 100644 --- a/src/runtime/export_test.go +++ b/src/runtime/export_test.go @@ -297,6 +297,7 @@ func ReadMemStatsSlow() (base, slow MemStats) { slow.TotalAlloc = 0 slow.Mallocs = 0 slow.Frees = 0 + slow.HeapReleased = 0 var bySize [_NumSizeClasses]struct { Mallocs, Frees uint64 } @@ -336,6 +337,10 @@ func ReadMemStatsSlow() (base, slow MemStats) { slow.BySize[i].Frees = bySize[i].Frees } + mheap_.scav.treap.walkTreap(func(tn *treapNode) { + slow.HeapReleased += uint64(tn.spanKey.released()) + }) + getg().m.mallocing-- }) |