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2 | id: understanding-lttng | |
3 | --- | |
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5 | If you're going to use LTTng in any serious way, it is fundamental that | |
6 | you become familiar with its core concepts. Technical terms like | |
7 | _tracing sessions_, _domains_, _channels_ and _events_ are used over | |
8 | and over in the [Using LTTng](#doc-using-lttng) chapter, | |
9 | and it is assumed that you understand what they mean when reading it. | |
10 | ||
11 | LTTng, as you already know, is a _toolkit_. It would be wrong | |
12 | to call it a simple _tool_ since it is composed of multiple interacting | |
13 | components. This chapter also describes the latter, providing details | |
14 | about their respective roles and how they connect together to form | |
15 | the current LTTng ecosystem. |