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Man Pages


Manual Reference Pages  -  PERCEPT_PROFILE (3)

NAME

percept_profile - Percept Collector.

CONTENTS

Description
Exports
Authors

DESCRIPTION

Percept Collector

This module provides the user interface for the percept data collection (profiling).

DATA TYPES

percept_option() = procs | ports | exclusive:

EXPORTS

start(Filename::string()) -> {ok, Port} | {already_started, Port}

Equivalent to start(Filename, [procs]).

start(Filename::string(), Options::[percept_option()]) -> {ok, Port} | {already_started, Port}

Types:

Port = port()

Starts profiling with supplied options. All events are stored in the file given by Filename. An explicit call to stop/0 is needed to stop profiling.

start(Filename::string(), MFA::mfa(), Options::[percept_option()]) -> ok | {already_started, Port} | {error, not_started}

Types:

Port = port()

Starts profiling at the entrypoint specified by the MFA. All events are collected, this means that processes outside the scope of the entry-point are also profiled. No explicit call to stop/0 is needed, the profiling stops when the entry function returns.

stop() -> ok | {error, not_started}

Stops profiling.

AUTHORS

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PERCEPT_PROFILE (3) percept 0.8.11

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