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-rw-r--r--erts/emulator/beam/erl_init.c5
-rw-r--r--erts/emulator/beam/erl_process.c6
-rw-r--r--erts/emulator/beam/erl_vm.h17
-rw-r--r--lib/kernel/src/error_logger.erl8
-rw-r--r--lib/kernel/src/file.erl2
-rw-r--r--lib/kernel/src/rpc.erl14
-rw-r--r--lib/kernel/test/error_logger_SUITE.erl13
-rw-r--r--lib/kernel/test/rpc_SUITE.erl12
8 files changed, 65 insertions, 12 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 070cc3f2d0..f65a06c85f 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -117,6 +117,11 @@ const int etp_big_endian = 1;
const int etp_big_endian = 0;
#endif
const Eterm etp_the_non_value = THE_NON_VALUE;
+#ifdef ERTS_HOLE_MARKER
+const Eterm etp_hole_marker = ERTS_HOLE_MARKER;
+#else
+const Eterm etp_hole_marker = 0;
+#endif
/*
* Note about VxWorks: All variables must be initialized by executable code,
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 41741764e8..485949c84a 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -9647,7 +9647,8 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls)
esdp->current_process = NULL;
#ifdef ERTS_SMP
- p->scheduler_data = NULL;
+ if (is_normal_sched)
+ p->scheduler_data = NULL;
#endif
erts_smp_proc_unlock(p, (ERTS_PROC_LOCK_MAIN
@@ -10070,8 +10071,8 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls)
state = erts_smp_atomic32_read_nob(&p->state);
- ASSERT(!p->scheduler_data);
#ifndef ERTS_DIRTY_SCHEDULERS
+ ASSERT(!p->scheduler_data);
p->scheduler_data = esdp;
#else /* ERTS_DIRTY_SCHEDULERS */
if (is_normal_sched) {
@@ -10082,6 +10083,7 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls)
erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
goto sched_out_proc;
}
+ ASSERT(!p->scheduler_data);
p->scheduler_data = esdp;
}
else {
diff --git a/erts/emulator/beam/erl_vm.h b/erts/emulator/beam/erl_vm.h
index f97716d030..899e2a275a 100644
--- a/erts/emulator/beam/erl_vm.h
+++ b/erts/emulator/beam/erl_vm.h
@@ -110,8 +110,21 @@
#define HeapWordsLeft(p) (HEAP_LIMIT(p) - HEAP_TOP(p))
#if defined(DEBUG) || defined(CHECK_FOR_HOLES)
-# define ERTS_HOLE_MARKER (((0xdeadbeef << 24) << 8) | 0xdeadbeef)
-#endif /* egil: 32-bit ? */
+
+/*
+ * ERTS_HOLE_MARKER must *not* be mistaken for a valid term
+ * on the heap...
+ */
+# ifdef ARCH_64
+# define ERTS_HOLE_MARKER \
+ make_catch(UWORD_CONSTANT(0xdeadbeaf00000000) >> _TAG_IMMED2_SIZE)
+/* Will (at the time of writing) appear as 0xdeadbeaf0000001b */
+# else
+# define ERTS_HOLE_MARKER \
+ make_catch(UWORD_CONSTANT(0xdead0000) >> _TAG_IMMED2_SIZE)
+/* Will (at the time of writing) appear as 0xdead001b */
+# endif
+#endif
/*
* Allocate heap memory on the ordinary heap, NEVER in a heap
diff --git a/lib/kernel/src/error_logger.erl b/lib/kernel/src/error_logger.erl
index 3523f680a3..3ee8e2c6e6 100644
--- a/lib/kernel/src/error_logger.erl
+++ b/lib/kernel/src/error_logger.erl
@@ -360,8 +360,12 @@ init(Max) when is_integer(Max) ->
%% go back.
init({go_back, _PostState}) ->
{ok, {?buffer_size, 0, []}};
-init(_) -> %% Start and just relay to other
- {ok, []}. %% node if node(GLeader) =/= node().
+init(_) ->
+ %% The error logger process may receive a huge amount of
+ %% messages. Make sure that they are stored off heap to
+ %% avoid exessive GCs.
+ process_flag(message_queue_data, off_heap),
+ {ok, []}.
-spec handle_event(term(), state()) -> {'ok', state()}.
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index 58b601e456..6d94f7770f 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -1413,7 +1413,7 @@ path_open_first([Path|Rest], Name, Mode, LastError) ->
case open(FileName, Mode) of
{ok, Fd} ->
{ok, Fd, FileName};
- {error, enoent} ->
+ {error, Reason} when Reason =:= enoent; Reason =:= enotdir ->
path_open_first(Rest, Name, Mode, LastError);
Error ->
Error
diff --git a/lib/kernel/src/rpc.erl b/lib/kernel/src/rpc.erl
index 21bff02214..bd6ea26678 100644
--- a/lib/kernel/src/rpc.erl
+++ b/lib/kernel/src/rpc.erl
@@ -67,17 +67,27 @@
%%------------------------------------------------------------------------
+
+%% The rex server may receive a huge amount of
+%% messages. Make sure that they are stored off heap to
+%% avoid exessive GCs.
+
+-define(SPAWN_OPTS, [{spawn_opt,[{message_queue_data,off_heap}]}]).
+
%% Remote execution and broadcasting facility
-spec start() -> {'ok', pid()} | 'ignore' | {'error', term()}.
start() ->
- gen_server:start({local,?NAME}, ?MODULE, [], []).
+ gen_server:start({local,?NAME}, ?MODULE, [], ?SPAWN_OPTS).
-spec start_link() -> {'ok', pid()} | 'ignore' | {'error', term()}.
start_link() ->
- gen_server:start_link({local,?NAME}, ?MODULE, [], []).
+ %% The rex server process may receive a huge amount of
+ %% messages. Make sure that they are stored off heap to
+ %% avoid exessive GCs.
+ gen_server:start_link({local,?NAME}, ?MODULE, [], ?SPAWN_OPTS).
-spec stop() -> term().
diff --git a/lib/kernel/test/error_logger_SUITE.erl b/lib/kernel/test/error_logger_SUITE.erl
index b6e7551741..bb01c2384d 100644
--- a/lib/kernel/test/error_logger_SUITE.erl
+++ b/lib/kernel/test/error_logger_SUITE.erl
@@ -30,6 +30,7 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
+ off_heap/1,
error_report/1, info_report/1, error/1, info/1,
emulator/1, tty/1, logfile/1, add/1, delete/1]).
@@ -45,7 +46,7 @@ suite() ->
{timetrap,{minutes,1}}].
all() ->
- [error_report, info_report, error, info, emulator, tty,
+ [off_heap, error_report, info_report, error, info, emulator, tty,
logfile, add, delete].
groups() ->
@@ -66,6 +67,16 @@ end_per_group(_GroupName, Config) ->
%%-----------------------------------------------------------------
+off_heap(_Config) ->
+ %% The error_logger process may receive a huge amount of
+ %% messages. Make sure that they are stored off heap to
+ %% avoid exessive GCs.
+ MQD = message_queue_data,
+ {MQD,off_heap} = process_info(whereis(error_logger), MQD),
+ ok.
+
+%%-----------------------------------------------------------------
+
error_report(Config) when is_list(Config) ->
error_logger:add_report_handler(?MODULE, self()),
Rep1 = [{tag1,"data1"},{tag2,data2},{tag3,3}],
diff --git a/lib/kernel/test/rpc_SUITE.erl b/lib/kernel/test/rpc_SUITE.erl
index 1c72ddc87f..d76c4097d8 100644
--- a/lib/kernel/test/rpc_SUITE.erl
+++ b/lib/kernel/test/rpc_SUITE.erl
@@ -21,7 +21,8 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2]).
--export([call/1, block_call/1, multicall/1, multicall_timeout/1,
+-export([off_heap/1,
+ call/1, block_call/1, multicall/1, multicall_timeout/1,
multicall_dies/1, multicall_node_dies/1,
called_dies/1, called_node_dies/1,
called_throws/1, call_benchmark/1, async_call/1]).
@@ -35,7 +36,7 @@ suite() ->
{timetrap,{minutes,2}}].
all() ->
- [call, block_call, multicall, multicall_timeout,
+ [off_heap, call, block_call, multicall, multicall_timeout,
multicall_dies, multicall_node_dies, called_dies,
called_node_dies, called_throws, call_benchmark,
async_call].
@@ -55,6 +56,13 @@ init_per_group(_GroupName, Config) ->
end_per_group(_GroupName, Config) ->
Config.
+off_heap(_Config) ->
+ %% The rex server process may receive a huge amount of
+ %% messages. Make sure that they are stored off heap to
+ %% avoid exessive GCs.
+ MQD = message_queue_data,
+ {MQD,off_heap} = process_info(whereis(rex), MQD),
+ ok.
%% Test different rpc calls.
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-29 12:02:27 +0000