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-rw-r--r--lib/kernel/test/inet_SUITE.erl8
-rw-r--r--lib/observer/src/cdv_port_cb.erl17
-rw-r--r--lib/observer/src/cdv_proc_cb.erl4
-rw-r--r--lib/observer/src/cdv_sched_cb.erl18
-rw-r--r--lib/observer/src/crashdump_viewer.erl188
-rw-r--r--lib/observer/src/crashdump_viewer.hrl16
-rw-r--r--lib/snmp/doc/src/snmp_impl_example_agent.xml10
-rw-r--r--lib/stdlib/test/re_SUITE.erl15
8 files changed, 212 insertions, 64 deletions
diff --git a/lib/kernel/test/inet_SUITE.erl b/lib/kernel/test/inet_SUITE.erl
index 3b502be8b8..ba0d075ef2 100644
--- a/lib/kernel/test/inet_SUITE.erl
+++ b/lib/kernel/test/inet_SUITE.erl
@@ -1083,11 +1083,9 @@ ifaddrs([{If,Opts}|IOs]) ->
#ifopts{flags=F} = Ifopts = check_ifopts(Opts, #ifopts{name=If}),
case F of
{flags,Flags} ->
- case lists:member(up, Flags) of
- true ->
- Ifopts#ifopts.addrs;
- false ->
- []
+ case lists:member(running, Flags) of
+ true -> Ifopts#ifopts.addrs;
+ false -> []
end ++ ifaddrs(IOs);
undefined ->
ifaddrs(IOs)
diff --git a/lib/observer/src/cdv_port_cb.erl b/lib/observer/src/cdv_port_cb.erl
index b5cbe8132d..6bb8f07a74 100644
--- a/lib/observer/src/cdv_port_cb.erl
+++ b/lib/observer/src/cdv_port_cb.erl
@@ -34,7 +34,8 @@
-define(COL_CONN, ?COL_ID+1).
-define(COL_NAME, ?COL_CONN+1).
-define(COL_CTRL, ?COL_NAME+1).
--define(COL_SLOT, ?COL_CTRL+1).
+-define(COL_QUEUE, ?COL_CTRL+1).
+-define(COL_SLOT, ?COL_QUEUE+1).
@@ -44,6 +45,7 @@ col_to_elem(?COL_ID) -> #port.id;
col_to_elem(?COL_CONN) -> #port.connected;
col_to_elem(?COL_NAME) -> #port.name;
col_to_elem(?COL_CTRL) -> #port.controls;
+col_to_elem(?COL_QUEUE) -> #port.queue;
col_to_elem(?COL_SLOT) -> #port.slot.
col_spec() ->
@@ -51,6 +53,7 @@ col_spec() ->
{"Connected", ?wxLIST_FORMAT_LEFT, 120},
{"Name", ?wxLIST_FORMAT_LEFT, 150},
{"Controls", ?wxLIST_FORMAT_LEFT, 200},
+ {"Queue", ?wxLIST_FORMAT_RIGHT, 100},
{"Slot", ?wxLIST_FORMAT_RIGHT, 50}].
get_info(_) ->
@@ -96,9 +99,17 @@ format(D) ->
info_fields() ->
[{"Overview",
[{"Name", name},
+ {"State", state},
+ {"Task Flags", task_flags},
{"Connected", {click,connected}},
{"Slot", slot},
- {"Controls", controls}]},
+ {"Controls", controls},
+ {"Input bytes", input},
+ {"Output bytes", output},
+ {"Queue bytes", queue},
+ {"Port data", port_data}]},
{scroll_boxes,
[{"Links",1,{click,links}},
- {"Monitors",1,{click,monitors}}]}].
+ {"Monitors",1,{click,monitors}},
+ {"Suspended",1,{click,suspended}}
+ ]}].
diff --git a/lib/observer/src/cdv_proc_cb.erl b/lib/observer/src/cdv_proc_cb.erl
index f10650bbb7..0ea23dd7cb 100644
--- a/lib/observer/src/cdv_proc_cb.erl
+++ b/lib/observer/src/cdv_proc_cb.erl
@@ -149,6 +149,10 @@ info_fields() ->
{"Old Heap", old_heap},
{"Heap Unused", heap_unused},
{"Old Heap Unused", old_heap_unused},
+ {"Binary vheap", bin_vheap},
+ {"Old Binary vheap", old_bin_vheap},
+ {"Binary vheap unused", bin_vheap_unused},
+ {"Old Binary vheap unused", old_bin_vheap_unused},
{"Number of Heap Fragements", num_heap_frag},
{"Heap Fragment Data",heap_frag_data},
{"New Heap Start", new_heap_start},
diff --git a/lib/observer/src/cdv_sched_cb.erl b/lib/observer/src/cdv_sched_cb.erl
index 192aaf31a7..d2696a276f 100644
--- a/lib/observer/src/cdv_sched_cb.erl
+++ b/lib/observer/src/cdv_sched_cb.erl
@@ -31,7 +31,8 @@
%% Columns
-define(COL_ID, 0).
--define(COL_PROC, ?COL_ID+1).
+-define(COL_TYPE, ?COL_ID+1).
+-define(COL_PROC, ?COL_TYPE+1).
-define(COL_PORT, ?COL_PROC+1).
-define(COL_RQL, ?COL_PORT+1).
-define(COL_PQL, ?COL_RQL+1).
@@ -39,6 +40,7 @@
%% Callbacks for cdv_virtual_list_wx
col_to_elem(id) -> col_to_elem(?COL_ID);
col_to_elem(?COL_ID) -> #sched.name;
+col_to_elem(?COL_TYPE) -> #sched.type;
col_to_elem(?COL_PROC) -> #sched.process;
col_to_elem(?COL_PORT) -> #sched.port;
col_to_elem(?COL_RQL) -> #sched.run_q;
@@ -46,6 +48,7 @@ col_to_elem(?COL_PQL) -> #sched.port_q.
col_spec() ->
[{"Id", ?wxLIST_FORMAT_RIGHT, 50},
+ {"Type", ?wxLIST_FORMAT_CENTER, 100},
{"Current Process", ?wxLIST_FORMAT_CENTER, 130},
{"Current Port", ?wxLIST_FORMAT_CENTER, 130},
{"Run Queue Length", ?wxLIST_FORMAT_RIGHT, 180},
@@ -73,7 +76,8 @@ detail_pages() ->
[{"Scheduler Information", fun init_gen_page/2}].
init_gen_page(Parent, Info0) ->
- Fields = info_fields(),
+ Type = proplists:get_value(type, Info0),
+ Fields = info_fields(Type),
Details = proplists:get_value(details, Info0),
Info = if is_map(Details) -> Info0 ++ maps:to_list(Details);
true -> Info0
@@ -81,15 +85,16 @@ init_gen_page(Parent, Info0) ->
cdv_info_wx:start_link(Parent,{Fields,Info,[]}).
%%% Internal
-info_fields() ->
+info_fields(Type) ->
[{"Scheduler Overview",
[{"Id", id},
+ {"Type", type},
{"Current Process",process},
{"Current Port", port},
{"Sleep Info Flags", sleep_info},
{"Sleep Aux Work", sleep_aux}
]},
- {"Run Queues",
+ {run_queues_header(Type),
[{"Flags", runq_flags},
{"Priority Max Length", runq_max},
{"Priority High Length", runq_high},
@@ -116,3 +121,8 @@ info_fields() ->
{" ", {currp_stack, 11}}
]}
].
+
+run_queues_header(normal) ->
+ "Run Queues";
+run_queues_header(DirtyX) ->
+ "Run Queues (common for all '" ++ atom_to_list(DirtyX) ++ "' schedulers)".
diff --git a/lib/observer/src/crashdump_viewer.erl b/lib/observer/src/crashdump_viewer.erl
index 861b592439..d2a175d52d 100644
--- a/lib/observer/src/crashdump_viewer.erl
+++ b/lib/observer/src/crashdump_viewer.erl
@@ -116,6 +116,10 @@
-define(allocator,allocator).
-define(atoms,atoms).
-define(binary,binary).
+-define(dirty_cpu_scheduler,dirty_cpu_scheduler).
+-define(dirty_cpu_run_queue,dirty_cpu_run_queue).
+-define(dirty_io_scheduler,dirty_io_scheduler).
+-define(dirty_io_run_queue,dirty_io_run_queue).
-define(ende,ende).
-define(erl_crash_dump,erl_crash_dump).
-define(ets,ets).
@@ -1222,6 +1226,18 @@ all_procinfo(Fd,Fun,Proc,WS,LineHead) ->
"OldHeap unused" ->
Bytes = list_to_integer(bytes(Fd))*WS,
get_procinfo(Fd,Fun,Proc#proc{old_heap_unused=Bytes},WS);
+ "BinVHeap" ->
+ Bytes = list_to_integer(bytes(Fd))*WS,
+ get_procinfo(Fd,Fun,Proc#proc{bin_vheap=Bytes},WS);
+ "OldBinVHeap" ->
+ Bytes = list_to_integer(bytes(Fd))*WS,
+ get_procinfo(Fd,Fun,Proc#proc{old_bin_vheap=Bytes},WS);
+ "BinVHeap unused" ->
+ Bytes = list_to_integer(bytes(Fd))*WS,
+ get_procinfo(Fd,Fun,Proc#proc{bin_vheap_unused=Bytes},WS);
+ "OldBinVHeap unused" ->
+ Bytes = list_to_integer(bytes(Fd))*WS,
+ get_procinfo(Fd,Fun,Proc#proc{old_bin_vheap_unused=Bytes},WS);
"New heap start" ->
get_procinfo(Fd,Fun,Proc#proc{new_heap_start=bytes(Fd)},WS);
"New heap top" ->
@@ -1632,6 +1648,10 @@ port_to_tuple("#Port<"++Port) ->
get_portinfo(Fd,Port) ->
case line_head(Fd) of
+ "State" ->
+ get_portinfo(Fd,Port#port{state=bytes(Fd)});
+ "Task Flags" ->
+ get_portinfo(Fd,Port#port{task_flags=bytes(Fd)});
"Slot" ->
%% stored as integer so we can sort on it
get_portinfo(Fd,Port#port{slot=list_to_integer(bytes(Fd))});
@@ -1656,6 +1676,10 @@ get_portinfo(Fd,Port) ->
{Pid,Pid++" ("++Ref++")"}
end || Mon <- Monitors0],
get_portinfo(Fd,Port#port{monitors=Monitors});
+ "Suspended" ->
+ Pids = split_pid_list_no_space(bytes(Fd)),
+ Suspended = [{Pid,Pid} || Pid <- Pids],
+ get_portinfo(Fd,Port#port{suspended=Suspended});
"Port controls linked-in driver" ->
Str = lists:flatten(["Linked in driver: " | string(Fd)]),
get_portinfo(Fd,Port#port{controls=Str});
@@ -1671,6 +1695,15 @@ get_portinfo(Fd,Port) ->
"Port is UNIX fd not opened by emulator" ->
Str = lists:flatten(["UNIX fd not opened by emulator: "| string(Fd)]),
get_portinfo(Fd,Port#port{controls=Str});
+ "Input" ->
+ get_portinfo(Fd,Port#port{input=list_to_integer(bytes(Fd))});
+ "Output" ->
+ get_portinfo(Fd,Port#port{output=list_to_integer(bytes(Fd))});
+ "Queue" ->
+ get_portinfo(Fd,Port#port{queue=list_to_integer(bytes(Fd))});
+ "Port Data" ->
+ get_portinfo(Fd,Port#port{port_data=string(Fd)});
+
"=" ++ _next_tag ->
Port;
Other ->
@@ -2501,73 +2534,142 @@ get_indextableinfo1(Fd,IndexTable) ->
%%-----------------------------------------------------------------
%% Page with scheduler table information
schedulers(File) ->
- case lookup_index(?scheduler) of
- [] ->
- [];
- Schedulers ->
- Fd = open(File),
- R = lists:map(fun({Name,Start}) ->
- get_schedulerinfo(Fd,Name,Start)
- end,
- Schedulers),
- close(Fd),
- R
- end.
+ Fd = open(File),
-get_schedulerinfo(Fd,Name,Start) ->
+ Schds0 = case lookup_index(?scheduler) of
+ [] ->
+ [];
+ Normals ->
+ [{Normals, #sched{type=normal}}]
+ end,
+ Schds1 = case lookup_index(?dirty_cpu_scheduler) of
+ [] ->
+ Schds0;
+ DirtyCpus ->
+ [{DirtyCpus, get_dirty_runqueue(Fd, ?dirty_cpu_run_queue)}
+ | Schds0]
+ end,
+ Schds2 = case lookup_index(?dirty_io_scheduler) of
+ [] ->
+ Schds1;
+ DirtyIos ->
+ [{DirtyIos, get_dirty_runqueue(Fd, ?dirty_io_run_queue)}
+ | Schds1]
+ end,
+
+ R = schedulers1(Fd, Schds2, []),
+ close(Fd),
+ R.
+
+schedulers1(_Fd, [], Acc) ->
+ Acc;
+schedulers1(Fd, [{Scheds,Sched0} | Tail], Acc0) ->
+ Acc1 = lists:foldl(fun({Name,Start}, AccIn) ->
+ [get_schedulerinfo(Fd,Name,Start,Sched0) | AccIn]
+ end,
+ Acc0,
+ Scheds),
+ schedulers1(Fd, Tail, Acc1).
+
+get_schedulerinfo(Fd,Name,Start,Sched0) ->
pos_bof(Fd,Start),
- get_schedulerinfo1(Fd,#sched{name=Name}).
+ get_schedulerinfo1(Fd,Sched0#sched{name=list_to_integer(Name)}).
-get_schedulerinfo1(Fd,Sched=#sched{details=Ds}) ->
+sched_type(?dirty_cpu_run_queue) -> dirty_cpu;
+sched_type(?dirty_io_run_queue) -> dirty_io.
+
+get_schedulerinfo1(Fd, Sched) ->
+ case get_schedulerinfo2(Fd, Sched) of
+ {more, Sched2} ->
+ get_schedulerinfo1(Fd, Sched2);
+ {done, Sched2} ->
+ Sched2
+ end.
+
+get_schedulerinfo2(Fd, Sched=#sched{details=Ds}) ->
case line_head(Fd) of
"Current Process" ->
- get_schedulerinfo1(Fd,Sched#sched{process=bytes(Fd, "None")});
+ {more, Sched#sched{process=bytes(Fd, "None")}};
"Current Port" ->
- get_schedulerinfo1(Fd,Sched#sched{port=bytes(Fd, "None")});
+ {more, Sched#sched{port=bytes(Fd, "None")}};
+
+ "Scheduler Sleep Info Flags" ->
+ {more, Sched#sched{details=Ds#{sleep_info=>bytes(Fd, "None")}}};
+ "Scheduler Sleep Info Aux Work" ->
+ {more, Sched#sched{details=Ds#{sleep_aux=>bytes(Fd, "None")}}};
+
+ "Current Process State" ->
+ {more, Sched#sched{details=Ds#{currp_state=>bytes(Fd)}}};
+ "Current Process Internal State" ->
+ {more, Sched#sched{details=Ds#{currp_int_state=>bytes(Fd)}}};
+ "Current Process Program counter" ->
+ {more, Sched#sched{details=Ds#{currp_prg_cnt=>string(Fd)}}};
+ "Current Process CP" ->
+ {more, Sched#sched{details=Ds#{currp_cp=>string(Fd)}}};
+ "Current Process Limited Stack Trace" ->
+ %% If there shall be last in scheduler information block
+ {done, Sched#sched{details=get_limited_stack(Fd, 0, Ds)}};
+
+ "=" ++ _next_tag ->
+ {done, Sched};
+
+ Other ->
+ case Sched#sched.type of
+ normal ->
+ get_runqueue_info2(Fd, Other, Sched);
+ _ ->
+ unexpected(Fd,Other,"dirty scheduler information"),
+ {done, Sched}
+ end
+ end.
+
+get_dirty_runqueue(Fd, Tag) ->
+ case lookup_index(Tag) of
+ [{_, Start}] ->
+ pos_bof(Fd,Start),
+ get_runqueue_info1(Fd,#sched{type=sched_type(Tag)});
+ [] ->
+ #sched{}
+ end.
+
+get_runqueue_info1(Fd, Sched) ->
+ case get_runqueue_info2(Fd, line_head(Fd), Sched) of
+ {more, Sched2} ->
+ get_runqueue_info1(Fd, Sched2);
+ {done, Sched2} ->
+ Sched2
+ end.
+
+get_runqueue_info2(Fd, LineHead, Sched=#sched{details=Ds}) ->
+ case LineHead of
"Run Queue Max Length" ->
RQMax = list_to_integer(bytes(Fd)),
RQ = RQMax + Sched#sched.run_q,
- get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_max=>RQMax}});
+ {more, Sched#sched{run_q=RQ, details=Ds#{runq_max=>RQMax}}};
"Run Queue High Length" ->
RQHigh = list_to_integer(bytes(Fd)),
RQ = RQHigh + Sched#sched.run_q,
- get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_high=>RQHigh}});
+ {more, Sched#sched{run_q=RQ, details=Ds#{runq_high=>RQHigh}}};
"Run Queue Normal Length" ->
RQNorm = list_to_integer(bytes(Fd)),
RQ = RQNorm + Sched#sched.run_q,
- get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_norm=>RQNorm}});
+ {more, Sched#sched{run_q=RQ, details=Ds#{runq_norm=>RQNorm}}};
"Run Queue Low Length" ->
RQLow = list_to_integer(bytes(Fd)),
RQ = RQLow + Sched#sched.run_q,
- get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_low=>RQLow}});
+ {more, Sched#sched{run_q=RQ, details=Ds#{runq_low=>RQLow}}};
"Run Queue Port Length" ->
RQ = list_to_integer(bytes(Fd)),
- get_schedulerinfo1(Fd,Sched#sched{port_q=RQ});
-
- "Scheduler Sleep Info Flags" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{sleep_info=>bytes(Fd, "None")}});
- "Scheduler Sleep Info Aux Work" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{sleep_aux=>bytes(Fd, "None")}});
+ {more, Sched#sched{port_q=RQ}};
"Run Queue Flags" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{runq_flags=>bytes(Fd, "None")}});
+ {more, Sched#sched{details=Ds#{runq_flags=>bytes(Fd, "None")}}};
- "Current Process State" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_state=>bytes(Fd)}});
- "Current Process Internal State" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_int_state=>bytes(Fd)}});
- "Current Process Program counter" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_prg_cnt=>string(Fd)}});
- "Current Process CP" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_cp=>string(Fd)}});
- "Current Process Limited Stack Trace" ->
- %% If there shall be last in scheduler information block
- Sched#sched{details=get_limited_stack(Fd, 0, Ds)};
"=" ++ _next_tag ->
- Sched;
+ {done, Sched};
Other ->
unexpected(Fd,Other,"scheduler information"),
- Sched
+ {done, Sched}
end.
get_limited_stack(Fd, N, Ds) ->
@@ -2998,6 +3100,10 @@ tag_to_atom("allocated_areas") -> ?allocated_areas;
tag_to_atom("allocator") -> ?allocator;
tag_to_atom("atoms") -> ?atoms;
tag_to_atom("binary") -> ?binary;
+tag_to_atom("dirty_cpu_scheduler") -> ?dirty_cpu_scheduler;
+tag_to_atom("dirty_cpu_run_queue") -> ?dirty_cpu_run_queue;
+tag_to_atom("dirty_io_scheduler") -> ?dirty_io_scheduler;
+tag_to_atom("dirty_io_run_queue") -> ?dirty_io_run_queue;
tag_to_atom("end") -> ?ende;
tag_to_atom("erl_crash_dump") -> ?erl_crash_dump;
tag_to_atom("ets") -> ?ets;
diff --git a/lib/observer/src/crashdump_viewer.hrl b/lib/observer/src/crashdump_viewer.hrl
index 6a93a089fd..252e19379d 100644
--- a/lib/observer/src/crashdump_viewer.hrl
+++ b/lib/observer/src/crashdump_viewer.hrl
@@ -80,6 +80,10 @@
old_heap,
heap_unused,
old_heap_unused,
+ bin_vheap,
+ old_bin_vheap,
+ bin_vheap_unused,
+ old_bin_vheap_unused,
new_heap_start,
new_heap_top,
stack_top,
@@ -95,19 +99,27 @@
-record(port,
{id,
+ state,
+ task_flags=0,
slot,
connected,
links,
name,
monitors,
- controls}).
+ suspended,
+ controls,
+ input,
+ output,
+ queue,
+ port_data}).
-record(sched,
{name,
+ type,
process,
port,
run_q=0,
- port_q=0,
+ port_q,
details=#{}
}).
diff --git a/lib/snmp/doc/src/snmp_impl_example_agent.xml b/lib/snmp/doc/src/snmp_impl_example_agent.xml
index a86006a0a7..e576fa51f3 100644
--- a/lib/snmp/doc/src/snmp_impl_example_agent.xml
+++ b/lib/snmp/doc/src/snmp_impl_example_agent.xml
@@ -47,6 +47,7 @@
EX1-MIB DEFINITIONS ::= BEGIN
IMPORTS
+ experimental FROM RFC1155-SMI
RowStatus FROM STANDARD-MIB
DisplayString FROM RFC1213-MIB
OBJECT-TYPE FROM RFC-1212
@@ -81,7 +82,7 @@ EX1-MIB DEFINITIONS ::= BEGIN
FriendsEntry ::=
SEQUENCE {
- fIndex
+ fIndex
INTEGER,
fName
DisplayString,
@@ -105,6 +106,7 @@ EX1-MIB DEFINITIONS ::= BEGIN
DESCRIPTION
"Name of friend"
::= { friendsEntry 2 }
+
fAddress OBJECT-TYPE
SYNTAX DisplayString (SIZE (0..255))
ACCESS read-write
@@ -112,6 +114,7 @@ EX1-MIB DEFINITIONS ::= BEGIN
DESCRIPTION
"Address of friend"
::= { friendsEntry 3 }
+
fStatus OBJECT-TYPE
SYNTAX RowStatus
ACCESS read-write
@@ -119,12 +122,13 @@ EX1-MIB DEFINITIONS ::= BEGIN
DESCRIPTION
"The status of this conceptual row."
::= { friendsEntry 4 }
+
fTrap TRAP-TYPE
ENTERPRISE example1
VARIABLES { myName, fIndex }
DESCRIPTION
- "This trap is sent when something happens to
- the friend specified by fIndex."
+ "This trap is sent when something happens to
+ the friend specified by fIndex."
::= 1
END
</code>
diff --git a/lib/stdlib/test/re_SUITE.erl b/lib/stdlib/test/re_SUITE.erl
index 71f86e32e5..7b82647416 100644
--- a/lib/stdlib/test/re_SUITE.erl
+++ b/lib/stdlib/test/re_SUITE.erl
@@ -894,10 +894,13 @@ match_limit(Config) when is_list(Config) ->
%% Test that we get sub-binaries if subject is a binary and we capture
%% binaries.
sub_binaries(Config) when is_list(Config) ->
- Bin = list_to_binary(lists:seq(1,255)),
- {match,[B,C]}=re:run(Bin,"(a)",[{capture,all,binary}]),
- 255 = binary:referenced_byte_size(B),
- 255 = binary:referenced_byte_size(C),
- {match,[D]}=re:run(Bin,"(a)",[{capture,[1],binary}]),
- 255 = binary:referenced_byte_size(D),
+ %% The GC can auto-convert tiny sub-binaries to heap binaries, so we
+ %% extract large sequences to make the test more stable.
+ Bin = << <<I>> || I <- lists:seq(1, 4096) >>,
+ {match,[B,C]}=re:run(Bin,"a(.+)$",[{capture,all,binary}]),
+ true = byte_size(B) =/= byte_size(C),
+ 4096 = binary:referenced_byte_size(B),
+ 4096 = binary:referenced_byte_size(C),
+ {match,[D]}=re:run(Bin,"a(.+)$",[{capture,[1],binary}]),
+ 4096 = binary:referenced_byte_size(D),
ok.