Retrascope

h1. Getting Started

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h2. Prerequisite

Retrascope should be "installed":https://forge.ispras.ru/projects/retrascope/wiki/Installation_Guide.

h2. Command Line Interface

As it is described in "Overview":https://forge.ispras.ru/projects/retrascope/wiki/Overview, Retrascope contains a number of data representations that are called *entities* and a number of active components that are called *engines*. When working with the tool through command line interface, _valuable_ engines and\or entities are to be specified. To describe the approach, let's look at the map of all engines and entities at Retrascope:

*Figure 1* : Engines & Entities

!engines-entities.png(*Figure 1* : Engines & Entities)!

On the Fig. 1 engines are depicted as labeled edges, entities are depicted as labeled nodes. Entities that are represented by text files, are shown as grey rectangles. Entities, that are stored in memory, are shown as yellow circles.

At simple case, it is enough for the tool running to pass the desired entity or engine _identifier_ as command line parameter. However, as it can be seen from Fig. 1,