Merge pull request #2151 from fjl/debug-api

internal/debug: APIs for profiling and tracing

1 files changed, 31 insertions, 0 deletions

diff --git a/internal/debug/trace_fallback.go b/internal/debug/trace_fallback.go
new file mode 100644
index 000000000..319945925
--- /dev/null
+++ b/internal/debug/trace_fallback.go
@@ -0,0 +1,31 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+//+build !go1.5
+
+// no-op implementation of tracing methods for Go < 1.5.
+
+package debug
+
+import "errors"
+
+func (*HandlerT) StartTrace(string) error {
+	return errors.New("tracing is not supported on Go < 1.5")
+}
+
+func (*HandlerT) StopTrace() error {
+	return errors.New("tracing is not supported on Go < 1.5")
+}