settings/
trace.rs

1// Copyright 2021 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5//! This mod provides utilities for simplifying the collection of trace events.
6
7/// This macro simplifies collecting async trace events. It uses "setui" as the category name.
8#[macro_export]
9macro_rules! trace {
10    ($nonce:expr, $name:expr $(, $key:expr => $val:expr)* $(,)?) => {
11        let _guard = ::fuchsia_trace::async_enter!($nonce, c"setui", $name $(, $key => $val)*);
12    }
13}
14
15/// This macro simplifies collecting async trace events. It returns a guard that can be used to
16/// control the scope of the tracing event. It uses "setui" as the category name.
17#[macro_export]
18macro_rules! trace_guard {
19    ($nonce:expr, $name:expr $(, $key:expr => $val:expr)* $(,)?) => {
20        ::fuchsia_trace::async_enter!($nonce, c"setui", $name $(, $key => $val)*)
21    }
22}
settings/trace.rs

settings/
trace.rs
