Contributors: cphoenix@, crjohns@, miguelfrde@
In this codelab, Rust, and C++ programmers will learn to use the Inspect library to publish diagnostic information from their programs, and use Inspect information to debug their programs.
Inspect allows Fuchsia Components to expose structured, hierarchical information about their current state.
Learn more about Inspect in the Fuchsia Component Inspection documentation.
Component Inspection supports many use cases, including:
View Inspect data from your running component to identify problems. For example, you can learn if your component is currently connected to a dependency.
Monitoring system health
Inspect data provides insight into overall system state. For example, you can learn why your system is not connected to the internet.
Gathering usage or performance statistics
You can read Inspect data from multiple components at the same time to understand system performance. For example, you can see the list of incoming connections to your component along with your component's memory usage.
You determine the structure and content of the data you expose in Inspect. Some examples include:
In this codelab, you're going to modify programs to output Inspect data. You will learn:
How to include the Inspect libraries.
How to initialize Inspect in your components.
How to solve real bugs by writing and reading Inspect data.
How to read Inspect data to verify that your program is doing what you want.