// Copyright 2022 The ChromiumOS Authors1// Use of this source code is governed by a BSD-style license that can be2// found in the LICENSE file.34cfg_if::cfg_if! {5if #[cfg(feature = "trace_marker")] {6/// A wrapper around trace_marker tracing features7mod trace_marker;8pub use trace_marker::*;9} else if #[cfg(feature = "perfetto")] {10mod perfetto;11pub use perfetto::*;12}13else {14/// A crate that provides noop tracing.15mod noop;16pub use noop::*;17}18}192021