diff options
| -rw-r--r-- | src/internal/trace/testdata/testprog/gc-stress.go | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/src/internal/trace/testdata/testprog/gc-stress.go b/src/internal/trace/testdata/testprog/gc-stress.go index 7979234c40..74b63606d5 100644 --- a/src/internal/trace/testdata/testprog/gc-stress.go +++ b/src/internal/trace/testdata/testprog/gc-stress.go @@ -13,6 +13,7 @@ import ( "log" "os" "runtime" + "runtime/debug" "runtime/trace" "time" ) @@ -36,11 +37,25 @@ func makeTree(depth int) *node { } } +func initTree(n *node) { + if n == nil { + return + } + for i := range n.data { + n.data[i] = 'a' + } + for i := range n.children { + initTree(n.children[i]) + } +} + var trees [16]*node var ballast *[16]*[1024]*node -var sink [][]byte +var sink []*node func main() { + debug.SetMemoryLimit(50 << 20) + for i := range trees { trees[i] = makeTree(6) } @@ -55,13 +70,17 @@ func main() { } procs := runtime.GOMAXPROCS(-1) - sink = make([][]byte, procs) + sink = make([]*node, procs) for i := 0; i < procs; i++ { i := i go func() { for { - sink[i] = make([]byte, 4<<10) + sink[i] = makeTree(3) + for range 5 { + initTree(sink[i]) + runtime.Gosched() + } } }() } |