# Observer

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Module

observer

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Module Summary

A GUI tool for observing an Erlang system.

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Since

Module observer was introduced in OTP R15B.

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Description

Observer is a graphical tool for observing the characteristics of Erlang systems. The tool Observer displays system information, application supervisor trees, process information, ETS tables, Mnesia tables, and contains a front end for Erlang tracing with module ttb.

For details about how to get started, see the User's Guide.

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Exports

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start() -> ok
OTP R15B

Starts the Observer GUI. To stop the tool, close the window or call stop/0.

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start(Node) -> ok
OTP 26.0

Starts the Observer GUI and tries to connect it to Node.

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start_and_wait() -> ok
OTP 26.0

Starts the Observer GUI and only return when it is either stopped or the window is closed

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start_and_wait(Node) -> ok
OTP 26.0

Starts the Observer GUI and only return when it is either stopped or the window is closed, connects it directly to Node like start/1.

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stop() -> ok
OTP 26.0

Stops the Observer GUI.