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-rw-r--r--lib/kernel/src/erts_debug.erl35
-rw-r--r--lib/kernel/src/kernel.app.src2
-rw-r--r--lib/tools/src/lcnt.erl77
-rw-r--r--lib/tools/src/tools.app.src2
4 files changed, 85 insertions, 31 deletions
diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl
index ad92aafc2f..480db6814e 100644
--- a/lib/kernel/src/erts_debug.erl
+++ b/lib/kernel/src/erts_debug.erl
@@ -33,10 +33,10 @@
-export([breakpoint/2, disassemble/1, display/1, dist_ext_to_term/2,
dump_monitors/1, dump_links/1, flat_size/1,
- get_internal_state/1, instructions/0, lock_counters/1,
+ get_internal_state/1, instructions/0,
map_info/1, same/2, set_internal_state/2,
- size_shared/1, copy_shared/1, dirty_cpu/2, dirty_io/2,
- dirty/3]).
+ size_shared/1, copy_shared/1, dirty_cpu/2, dirty_io/2, dirty/3,
+ lcnt_control/1, lcnt_control/2, lcnt_collect/0, lcnt_clear/0]).
-spec breakpoint(MFA, Flag) -> non_neg_integer() when
MFA :: {Module :: module(),
@@ -142,12 +142,31 @@ ic(F) when is_function(F) ->
io:format("Total: ~w~n",[lists:sum([C||{_I,C}<-Is])]),
R.
--spec lock_counters(info) -> term();
- (clear) -> ok;
- ({copy_save, boolean()}) -> boolean();
- ({process_locks, boolean()}) -> boolean().
+-spec lcnt_control
+ (copy_save, boolean()) -> ok;
+ (mask, list(atom())) -> ok.
-lock_counters(_) ->
+lcnt_control(_Option, _Value) ->
+ erlang:nif_error(undef).
+
+-spec lcnt_control
+ (copy_save) -> boolean();
+ (mask) -> list(atom()).
+
+lcnt_control(_Option) ->
+ erlang:nif_error(undef).
+
+-type lcnt_lock_info() :: {atom(), term(), atom(), term()}.
+
+-spec lcnt_collect() ->
+ list({duration, {non_neg_integer(), non_neg_integer()}} |
+ {locks, list(lcnt_lock_info())}).
+
+lcnt_collect() ->
+ erlang:nif_error(undef).
+
+-spec lcnt_clear() -> ok.
+lcnt_clear() ->
erlang:nif_error(undef).
-spec same(Term1, Term2) -> boolean() when
diff --git a/lib/kernel/src/kernel.app.src b/lib/kernel/src/kernel.app.src
index 1128ee3ec5..7aefbbd9b6 100644
--- a/lib/kernel/src/kernel.app.src
+++ b/lib/kernel/src/kernel.app.src
@@ -120,6 +120,6 @@
{applications, []},
{env, [{error_logger, tty}]},
{mod, {kernel, []}},
- {runtime_dependencies, ["erts-9.0", "stdlib-3.0", "sasl-3.0"]}
+ {runtime_dependencies, ["erts-9.1", "stdlib-3.0", "sasl-3.0"]}
]
}.
diff --git a/lib/tools/src/lcnt.erl b/lib/tools/src/lcnt.erl
index d881fedbd5..139b3d8a4a 100644
--- a/lib/tools/src/lcnt.erl
+++ b/lib/tools/src/lcnt.erl
@@ -34,8 +34,11 @@
-export([start/0,
stop/0]).
-%% erts_debug:lock_counters api
--export([rt_collect/0,
+%% erts_debug:lcnt_xxx api
+-export([rt_mask/0,
+ rt_mask/1,
+ rt_mask/2,
+ rt_collect/0,
rt_collect/1,
rt_clear/0,
rt_clear/1,
@@ -134,27 +137,61 @@ start_internal() ->
%% -------------------------------------------------------------------- %%
%%
-%% API erts_debug:lock_counters
+%% API erts_debug:lcnt_xxx
%%
%% -------------------------------------------------------------------- %%
-rt_collect() ->
- erts_debug:lock_counters(info).
+rt_mask(Node, Categories) when is_atom(Node), is_list(Categories) ->
+ rpc:call(Node, lcnt, rt_mask, [Categories]).
+
+rt_mask(Node) when is_atom(Node) ->
+ rpc:call(Node, lcnt, rt_mask, []);
+
+rt_mask(Categories) when is_list(Categories) ->
+ case erts_debug:lcnt_control(copy_save) of
+ false ->
+ erts_debug:lcnt_control(mask, Categories);
+ true ->
+ {error, copy_save_enabled}
+ end.
+
+rt_mask() ->
+ erts_debug:lcnt_control(mask).
rt_collect(Node) ->
- rpc:call(Node, erts_debug, lock_counters, [info]).
+ rpc:call(Node, lcnt, rt_collect, []).
+rt_collect() ->
+ erts_debug:lcnt_collect().
+rt_clear(Node) ->
+ rpc:call(Node, lcnt, rt_clear, []).
rt_clear() ->
- erts_debug:lock_counters(clear).
+ erts_debug:lcnt_clear().
-rt_clear(Node) ->
- rpc:call(Node, erts_debug, lock_counters, [clear]).
+rt_opt(Node, Arg) ->
+ rpc:call(Node, lcnt, rt_opt, [Arg]).
-rt_opt({Type, Opt}) ->
- erts_debug:lock_counters({Type, Opt}).
+%% Compatibility shims for the "process/port_locks" options mentioned in the
+%% manual.
+rt_opt({process_locks, Enable}) ->
+ toggle_category(process, Enable);
+rt_opt({port_locks, Enable}) ->
+ toggle_category(io, Enable);
-rt_opt(Node, {Type, Opt}) ->
- rpc:call(Node, erts_debug, lock_counters, [{Type, Opt}]).
+rt_opt({Type, NewVal}) ->
+ PreviousVal = erts_debug:lcnt_control(Type),
+ erts_debug:lcnt_control(Type, NewVal),
+ PreviousVal.
+
+toggle_category(Category, true) ->
+ PreviousMask = erts_debug:lcnt_control(mask),
+ erts_debug:lcnt_control(mask, [Category | PreviousMask]),
+ lists:member(Category, PreviousMask);
+
+toggle_category(Category, false) ->
+ PreviousMask = erts_debug:lcnt_control(mask),
+ erts_debug:lcnt_control(mask, lists:delete(Category, PreviousMask)),
+ lists:member(Category, PreviousMask).
%% -------------------------------------------------------------------- %%
%%
@@ -192,13 +229,9 @@ call(Msg) -> gen_server:call(?MODULE, Msg, infinity).
%% -------------------------------------------------------------------- %%
apply(M,F,As) when is_atom(M), is_atom(F), is_list(As) ->
- ok = start_internal(),
- Opt = lcnt:rt_opt({copy_save, true}),
- lcnt:clear(),
- Res = erlang:apply(M,F,As),
- lcnt:collect(),
- lcnt:rt_opt({copy_save, Opt}),
- Res.
+ apply(fun() ->
+ erlang:apply(M,F,As)
+ end).
apply(Fun) when is_function(Fun) ->
lcnt:apply(Fun, []).
@@ -209,7 +242,9 @@ apply(Fun, As) when is_function(Fun) ->
lcnt:clear(),
Res = erlang:apply(Fun, As),
lcnt:collect(),
- lcnt:rt_opt({copy_save, Opt}),
+ %% _ is bound to silence a dialyzer warning; it used to fail silently and
+ %% we don't want to change the error semantics.
+ _ = lcnt:rt_opt({copy_save, Opt}),
Res.
all_conflicts() -> all_conflicts(time).
diff --git a/lib/tools/src/tools.app.src b/lib/tools/src/tools.app.src
index 12f0cfd2df..8beef49bf9 100644
--- a/lib/tools/src/tools.app.src
+++ b/lib/tools/src/tools.app.src
@@ -41,6 +41,6 @@
]
},
{runtime_dependencies, ["stdlib-3.1","runtime_tools-1.8.14",
- "kernel-3.0","erts-7.0","compiler-5.0"]}
+ "kernel-5.4","erts-9.1","compiler-5.0"]}
]
}.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 16:53:03 +0000