View Source observer (observer v2.17)

A GUI tool for observing an Erlang system.

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.

Summary

Functions

start()

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

start(Node)

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

start_and_wait()

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

start_and_wait(Node)

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.

stop()

Stops the Observer GUI.

Functions

start()

(since OTP R15B)

-spec start() -> ok | {error, term()}.

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

start(Node)

(since OTP 26.0)

-spec start(Node :: node() | [node()]) -> ok | {error, term()}.

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

start_and_wait()

(since OTP 26.0)

-spec start_and_wait() -> ok.

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

start_and_wait(Node)

(since OTP 26.0)

-spec start_and_wait(Node :: node() | [node()]) -> ok.

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.

stop()

(since OTP 26.0)

-spec stop() -> ok.

Stops the Observer GUI.