View Source observer (observer v2.16)

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()

start() -> ok

start/1

start(Node) -> ok

start_and_wait()

start_and_wait() -> ok

start_and_wait/1

start_and_wait(Node) -> ok

stop()

stop() -> ok

Functions

start()

(since OTP R15B)

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

start() -> ok

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

start/1

(since OTP 26.0)

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

start(Node) -> ok

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

start_and_wait()

(since OTP 26.0)

-spec start_and_wait() -> ok.

start_and_wait() -> ok

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

start_and_wait/1

(since OTP 26.0)

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

start_and_wait(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.

stop() -> ok

Stops the Observer GUI.