From e7ed83217ef43bc6ef10afaaf820e6c40c1a1e12 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ingo=20L=C3=BCtkebohle?= Date: Mon, 17 Jun 2019 08:48:37 +0000 Subject: [PATCH] Add a short intro. --- doc/design_ros_2.md | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/doc/design_ros_2.md b/doc/design_ros_2.md index 668aea2..d2bfa37 100644 --- a/doc/design_ros_2.md +++ b/doc/design_ros_2.md @@ -2,6 +2,13 @@ Design document for ROS 2 tracing, instrumentation, and analysis effort. +## Introduction + +Tracing allows to record run-time data from a system, both for system data (e.g., when a process +is being scheduled, or when I/O occurs) and for user-defined data. This package helps with +user-defined trace data within the ROS2 framework, e.g. to trace when messages arrive, +when timers fire, when callbacks are being run, etc. + ## Goals and requirements ### Goals