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-rw-r--r--lib/runtime_tools/src/percept_profile.erl25
1 files changed, 11 insertions, 14 deletions
diff --git a/lib/runtime_tools/src/percept_profile.erl b/lib/runtime_tools/src/percept_profile.erl
index b333dee0cf..5d36b6bd0c 100644
--- a/lib/runtime_tools/src/percept_profile.erl
+++ b/lib/runtime_tools/src/percept_profile.erl
@@ -41,7 +41,7 @@
%% @type percept_option() = procs | ports | exclusive
--type(percept_option() :: 'procs' | 'ports' | 'exclusive' | 'scheduler').
+-type percept_option() :: 'procs' | 'ports' | 'exclusive' | 'scheduler'.
%%==========================================================================
%%
@@ -52,8 +52,8 @@
%% @spec start(Filename::string()) -> {ok, Port} | {already_started, Port}
%% @equiv start(Filename, [procs])
--spec(start/1 :: (Filename :: string()) ->
- {'ok', port()} | {'already_started', port()}).
+-spec start(Filename :: file:filename()) ->
+ {'ok', port()} | {'already_started', port()}.
start(Filename) ->
profile_to_file(Filename, [procs]).
@@ -64,10 +64,9 @@ start(Filename) ->
%% All events are stored in the file given by Filename.
%% An explicit call to stop/0 is needed to stop profiling.
--spec(start/2 :: (
- Filename :: string(),
- Options :: [percept_option()]) ->
- {'ok', port()} | {'already_started', port()}).
+-spec start(Filename :: file:filename(),
+ Options :: [percept_option()]) ->
+ {'ok', port()} | {'already_started', port()}.
start(Filename, Options) ->
profile_to_file(Filename, Options).
@@ -79,11 +78,10 @@ start(Filename, Options) ->
%% No explicit call to stop/0 is needed, the profiling stops when
%% the entry function returns.
--spec(start/3 :: (
- Filename :: string(),
- Entry :: {atom(), atom(), list()},
- Options :: [percept_option()]) ->
- 'ok' | {'already_started', port()} | {'error', 'not_started'}).
+-spec start(Filename :: file:filename(),
+ Entry :: {atom(), atom(), list()},
+ Options :: [percept_option()]) ->
+ 'ok' | {'already_started', port()} | {'error', 'not_started'}.
start(Filename, {Module, Function, Args}, Options) ->
case whereis(percept_port) of
@@ -107,11 +105,11 @@ deliver_all_trace() ->
receive {Tracer, ok} -> ok end,
erlang:trace(Tracee, false, [procs]),
ok.
--spec(stop/0 :: () -> 'ok' | {'error', 'not_started'}).
%% @spec stop() -> ok | {'error', 'not_started'}
%% @doc Stops profiling.
+-spec stop() -> 'ok' | {'error', 'not_started'}.
stop() ->
erlang:system_profile(undefined, [runnable_ports, runnable_procs]),
@@ -192,5 +190,4 @@ parse_profile_options([Opt|Opts], {TOpts, POpts}) ->
});
_ ->
parse_profile_options(Opts, {TOpts, POpts})
-
end.