diff --git a/internal/debug/api.go b/internal/debug/api.go index 048b7d7635..86a4218f6a 100644 --- a/internal/debug/api.go +++ b/internal/debug/api.go @@ -21,6 +21,7 @@ package debug import ( + "bytes" "errors" "io" "os" @@ -190,9 +191,9 @@ func (*HandlerT) WriteMemProfile(file string) error { // Stacks returns a printed representation of the stacks of all goroutines. func (*HandlerT) Stacks() string { - buf := make([]byte, 1024*1024) - buf = buf[:runtime.Stack(buf, true)] - return string(buf) + buf := new(bytes.Buffer) + pprof.Lookup("goroutine").WriteTo(buf, 2) + return buf.String() } // FreeOSMemory returns unused memory to the OS.