1 files changed, 14 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/gc/pprof.go b/src/cmd/compile/internal/gc/pprof.go
new file mode 100644
index 0000000..5f9b030
--- /dev/null
+++ b/src/cmd/compile/internal/gc/pprof.go
@@ -0,0 +1,14 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build go1.8
+// +build go1.8
+
+package gc
+
+import "runtime"
+
+func startMutexProfiling() {
+	runtime.SetMutexProfileFraction(1)
+}