diff options
Diffstat (limited to 'src/pkg/runtime/stack_test.go')
| -rw-r--r-- | src/pkg/runtime/stack_test.go | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/pkg/runtime/stack_test.go b/src/pkg/runtime/stack_test.go index 759f7c46e..da0181a66 100644 --- a/src/pkg/runtime/stack_test.go +++ b/src/pkg/runtime/stack_test.go @@ -1533,7 +1533,7 @@ func stack5000() (uintptr, uintptr) { var buf [5000]byte; use(buf[:]); return St func TestStackMem(t *testing.T) { const ( BatchSize = 32 - BatchCount = 512 + BatchCount = 256 ArraySize = 1024 RecursionDepth = 128 ) @@ -1562,6 +1562,11 @@ func TestStackMem(t *testing.T) { for i := 0; i < BatchSize; i++ { <-c } + + // The goroutines have signaled via c that they are ready to exit. + // Give them a chance to exit by sleeping. If we don't wait, we + // might not reuse them on the next batch. + time.Sleep(10 * time.Millisecond) } s1 := new(MemStats) ReadMemStats(s1) @@ -1571,7 +1576,9 @@ func TestStackMem(t *testing.T) { if consumed > estimate { t.Fatalf("Stack mem: want %v, got %v", estimate, consumed) } - if s1.StackInuse > 4<<20 { - t.Fatalf("Stack inuse: want %v, got %v", 4<<20, s1.StackInuse) + inuse := s1.StackInuse - s0.StackInuse + t.Logf("Inuse %vMB for stack mem", inuse>>20) + if inuse > 4<<20 { + t.Fatalf("Stack inuse: want %v, got %v", 4<<20, inuse) } } |