diff options
Diffstat (limited to 'lib/kernel/src/erts_debug.erl')
| -rw-r--r-- | lib/kernel/src/erts_debug.erl | 82 |
1 files changed, 66 insertions, 16 deletions
diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl index 7b3f1e313a..9662f8fa90 100644 --- a/lib/kernel/src/erts_debug.erl +++ b/lib/kernel/src/erts_debug.erl @@ -21,7 +21,7 @@ %% Low-level debugging support. EXPERIMENTAL! --export([size/1,df/1,df/2,df/3,ic/1]). +-export([size/1,df/1,df/2,df/3,df/4,ic/1]). %% This module contains the following *experimental* BIFs: %% disassemble/1 @@ -33,9 +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]). + 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(), @@ -141,12 +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 @@ -182,6 +202,28 @@ same(_, _) -> set_internal_state(_, _) -> erlang:nif_error(undef). +-spec dirty_cpu(Term1, Term2) -> term() when + Term1 :: term(), + Term2 :: term(). + +dirty_cpu(_, _) -> + erlang:nif_error(undef). + +-spec dirty_io(Term1, Term2) -> term() when + Term1 :: term(), + Term2 :: term(). + +dirty_io(_, _) -> + erlang:nif_error(undef). + +-spec dirty(Term1, Term2, Term3) -> term() when + Term1 :: term(), + Term2 :: term(), + Term3 :: term(). + +dirty(_, _, _) -> + erlang:nif_error(undef). + %%% End of BIFs %% size(Term) @@ -305,31 +347,39 @@ is_term_seen(_, []) -> false. -spec df(module()) -> df_ret(). df(Mod) when is_atom(Mod) -> + df(lists:concat([Mod, ".dis"]), Mod). + +-spec df(module(), atom()) -> df_ret(); + (file:io_device() | file:filename(), module()) -> df_ret(). + +df(Mod, Func) when is_atom(Mod), is_atom(Func) -> + df(lists:concat([Mod, "_", Func, ".dis"]), Mod, Func); +df(Name, Mod) when is_atom(Mod) -> try Mod:module_info(functions) of Fs0 when is_list(Fs0) -> - Name = lists:concat([Mod, ".dis"]), Fs = [{Mod,Func,Arity} || {Func,Arity} <- Fs0], dff(Name, Fs) catch _:_ -> {undef,Mod} end. --spec df(module(), atom()) -> df_ret(). -df(Mod, Func) when is_atom(Mod), is_atom(Func) -> +-spec df(module(), atom(), arity()) -> df_ret(); + (file:io_device() | file:filename(), module(), atom()) -> df_ret(). + +df(Mod, Func, Arity) when is_atom(Mod), is_atom(Func), is_integer(Arity) -> + df(lists:concat([Mod, "_", Func, "_", Arity, ".dis"]), Mod, Func, Arity); +df(Name, Mod, Func) when is_atom(Mod), is_atom(Func) -> try Mod:module_info(functions) of Fs0 when is_list(Fs0) -> - Name = lists:concat([Mod, "_", Func, ".dis"]), Fs = [{Mod,Func1,Arity} || {Func1,Arity} <- Fs0, Func1 =:= Func], dff(Name, Fs) catch _:_ -> {undef,Mod} end. --spec df(module(), atom(), arity()) -> df_ret(). - -df(Mod, Func, Arity) when is_atom(Mod), is_atom(Func) -> +-spec df(file:io_device() | file:filename(), module(), atom(), arity()) -> df_ret(). +df(Name, Mod, Func, Arity) when is_atom(Mod), is_atom(Func), is_integer(Arity) -> try Mod:module_info(functions) of Fs0 when is_list(Fs0) -> - Name = lists:concat([Mod, "_", Func, "_", Arity, ".dis"]), Fs = [{Mod,Func1,Arity1} || {Func1,Arity1} <- Fs0, Func1 =:= Func, Arity1 =:= Arity], dff(Name, Fs) |