diff options
Diffstat (limited to 'erts')
-rw-r--r-- | erts/doc/src/erl.xml | 24 | ||||
-rw-r--r-- | erts/doc/src/erlang.xml | 10 | ||||
-rw-r--r-- | erts/emulator/beam/erl_bif_info.c | 7 | ||||
-rw-r--r-- | erts/emulator/beam/erl_gc.c | 20 | ||||
-rw-r--r-- | erts/emulator/beam/erl_init.c | 48 | ||||
-rw-r--r-- | erts/emulator/test/message_queue_data_SUITE.erl | 32 | ||||
-rw-r--r-- | erts/etc/common/erlexec.c | 23 |
7 files changed, 88 insertions, 76 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index e13470c83c..c499fc8081 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -632,6 +632,15 @@ <p>Sets the initial process dictionary size of processes to the size <c><![CDATA[Size]]></c>.</p> </item> + <tag><marker id="+hmqd"><c>+hmqd off_heap|on_heap|mixed</c></marker></tag> + <item><p> + Sets the default value for the process flag + <c>message_queue_data</c>. If <c>+hmqd</c> is not + passed, <c>mixed</c> will be the default. For more information, + see the documentation of + <seealso marker="erlang#process_flag_message_queue_data"><c>process_flag(message_queue_data, + MQD)</c></seealso>. + </p></item> <tag><c><![CDATA[+K true | false]]></c></tag> <item> <p>Enables or disables the kernel poll functionality if @@ -1361,21 +1370,6 @@ <seealso marker="kernel:error_logger#warning_map/0">error_logger(3)</seealso> for further information.</p> </item> - <tag><c><![CDATA[+xFlag Value]]></c></tag> - <item> - <p>Default process flag settings.</p> - <taglist> - <tag><marker id="+xmqd"><c>+xmqd off_heap|on_heap|mixed</c></marker></tag> - <item><p> - Sets the default value for the process flag - <c>message_queue_data</c>. If <c>+xmqd</c> is not - passed, <c>mixed</c> will be the default. For more information, - see the documentation of - <seealso marker="erlang#process_flag_message_queue_data"><c>process_flag(message_queue_data, - MQD)</c></seealso>. - </p></item> - </taglist> - </item> <tag><c><![CDATA[+zFlag Value]]></c></tag> <item> <p>Miscellaneous flags.</p> diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index 1daa582584..4b5a27751a 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -4371,7 +4371,7 @@ os_prompt% </pre> </taglist> <p> The default <c>message_queue_data</c> process flag is determined - by the <seealso marker="erl#+xmqd"><c>+xmqd</c></seealso> + by the <seealso marker="erl#+hmqd"><c>+hmqd</c></seealso> <c>erl</c> command line argument. </p> <p> @@ -4878,7 +4878,9 @@ os_prompt% </pre> <tag><c>{total_heap_size, <anno>Size</anno>}</c></tag> <item> <p><c><anno>Size</anno></c> is the total size, in words, of all heap - fragments of the process. This includes the process stack.</p> + fragments of the process. This includes the process stack and + any unreceived messages that are considered to be part of the + heap. </p> </item> <tag><c>{trace, <anno>InternalTraceFlags</anno>}</c></tag> <item> @@ -5709,7 +5711,7 @@ true</pre> flag. <c><anno>MQD</anno></c> should be either <c>off_heap</c>, <c>on_heap</c>, or <c>mixed</c>. The default <c>message_queue_data</c> process flag is determined by the - <seealso marker="erl#+xmqd"><c>+xmqd</c></seealso> <c>erl</c> + <seealso marker="erl#+hmqd"><c>+hmqd</c></seealso> <c>erl</c> command line argument. For more information, see the documentation of <seealso marker="#process_flag_message_queue_data"><c>process_flag(message_queue_data, @@ -7388,7 +7390,7 @@ ok <p>Returns the default value of the <c>message_queue_data</c> process flag which is either <c>off_heap</c>, <c>on_heap</c>, or <c>mixed</c>. This default is set by the <c>erl</c> command line argument - <seealso marker="erl#+xmqd"><c>+xmqd</c></seealso>. For more information on the + <seealso marker="erl#+hmqd"><c>+hmqd</c></seealso>. For more information on the <c>message_queue_data</c> process flag, see documentation of <seealso marker="#process_flag_message_queue_data"><c>process_flag(message_queue_data, MQD)</c></seealso>.</p> diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index c9741b361f..99fe847ba2 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -1359,9 +1359,10 @@ process_info_aux(Process *BIF_P, total_heap_size += rp->mbuf_sz; - for (mp = rp->msg.first; mp; mp = mp->next) - if (mp->data.attached) - total_heap_size += erts_msg_attached_data_size(mp); + if (rp->flags & F_ON_HEAP_MSGQ) + for (mp = rp->msg.first; mp; mp = mp->next) + if (mp->data.attached) + total_heap_size += erts_msg_attached_data_size(mp); (void) erts_bld_uint(NULL, &hsz, total_heap_size); hp = HAlloc(BIF_P, hsz); diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index df5d0f4918..cf54f1e384 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -3009,10 +3009,30 @@ erts_process_gc_info(Process *p, Uint *sizep, Eterm **hpp) }; Eterm res = THE_NON_VALUE; + ErtsMessage *mp; ERTS_CT_ASSERT(sizeof(values)/sizeof(*values) == sizeof(tags)/sizeof(*tags)); ERTS_CT_ASSERT(sizeof(values)/sizeof(*values) == ERTS_PROCESS_GC_INFO_MAX_TERMS); + if (p->abandoned_heap) { + Eterm *htop, *heap; + ERTS_GET_ORIG_HEAP(p, heap, htop); + values[3] = HIGH_WATER(p) - heap; + values[6] = htop - heap; + } + + if (p->flags & F_ON_HEAP_MSGQ) { + /* If on heap messages in the internal queue are counted + as being part of the heap, so we have to add them to the + am_mbuf_size value. process_info(total_heap_size) should + be the same as adding old_heap_block_size + heap_block_size + + mbuf_size. + */ + for (mp = p->msg.first; mp; mp = mp->next) + if (mp->data.attached) + values[2] += erts_msg_attached_data_size(mp); + } + res = erts_bld_atom_uword_2tup_list(hpp, sizep, sizeof(values)/sizeof(*values), diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index dec9bdfedc..2fd1eeb785 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -578,6 +578,8 @@ void erts_usage(void) VH_DEFAULT_SIZE); erts_fprintf(stderr, "-hpds size initial process dictionary size (default %d)\n", erts_pd_initial_size); + erts_fprintf(stderr, "-hmqd val set default message queue data flag for processes,\n"); + erts_fprintf(stderr, " valid values are: off_heap | on_heap | mixed\n"); /* erts_fprintf(stderr, "-i module set the boot module (default init)\n"); */ @@ -655,8 +657,6 @@ void erts_usage(void) erts_fprintf(stderr, "-W<i|w|e> set error logger warnings mapping,\n"); erts_fprintf(stderr, " see error_logger documentation for details\n"); - erts_fprintf(stderr, "-xmqd val set default message queue data flag for processes,\n"); - erts_fprintf(stderr, " valid values are: off_heap | on_heap | mixed\n"); erts_fprintf(stderr, "-zdbbl size set the distribution buffer busy limit in kilobytes\n"); erts_fprintf(stderr, " valid range is [1-%d]\n", INT_MAX/1024); erts_fprintf(stderr, "-zdntgc time set delayed node table gc in seconds\n"); @@ -1487,6 +1487,7 @@ erl_start(int argc, char **argv) * h|ms - min_heap_size * h|mbs - min_bin_vheap_size * h|pds - erts_pd_initial_size + * h|mqd - message_queue_data * */ if (has_prefix("mbs", sub_param)) { @@ -1512,6 +1513,23 @@ erl_start(int argc, char **argv) } VERBOSE(DEBUG_SYSTEM, ("using initial process dictionary size %d\n", erts_pd_initial_size)); + } else if (has_prefix("mqd", sub_param)) { + arg = get_arg(sub_param+3, argv[i+1], &i); + if (sys_strcmp(arg, "mixed") == 0) + erts_default_spo_flags &= ~(SPO_ON_HEAP_MSGQ|SPO_OFF_HEAP_MSGQ); + else if (sys_strcmp(arg, "on_heap") == 0) { + erts_default_spo_flags &= ~SPO_OFF_HEAP_MSGQ; + erts_default_spo_flags |= SPO_ON_HEAP_MSGQ; + } + else if (sys_strcmp(arg, "off_heap") == 0) { + erts_default_spo_flags &= ~SPO_ON_HEAP_MSGQ; + erts_default_spo_flags |= SPO_OFF_HEAP_MSGQ; + } + else { + erts_fprintf(stderr, + "Invalid message_queue_data flag: %s\n", arg); + erts_usage(); + } } else { /* backward compatibility */ arg = get_arg(argv[i]+2, argv[i+1], &i); @@ -2047,32 +2065,6 @@ erl_start(int argc, char **argv) } break; - case 'x': { - char *sub_param = argv[i]+2; - if (has_prefix("mqd", sub_param)) { - arg = get_arg(sub_param+3, argv[i+1], &i); - if (sys_strcmp(arg, "mixed") == 0) - erts_default_spo_flags &= ~(SPO_ON_HEAP_MSGQ|SPO_OFF_HEAP_MSGQ); - else if (sys_strcmp(arg, "on_heap") == 0) { - erts_default_spo_flags &= ~SPO_OFF_HEAP_MSGQ; - erts_default_spo_flags |= SPO_ON_HEAP_MSGQ; - } - else if (sys_strcmp(arg, "off_heap") == 0) { - erts_default_spo_flags &= ~SPO_ON_HEAP_MSGQ; - erts_default_spo_flags |= SPO_OFF_HEAP_MSGQ; - } - else { - erts_fprintf(stderr, - "Invalid message_queue_data flag: %s\n", arg); - erts_usage(); - } - } else { - erts_fprintf(stderr, "bad -x option %s\n", argv[i]); - erts_usage(); - } - break; - } - case 'z': { char *sub_param = argv[i]+2; diff --git a/erts/emulator/test/message_queue_data_SUITE.erl b/erts/emulator/test/message_queue_data_SUITE.erl index 6efca5b39e..226462676c 100644 --- a/erts/emulator/test/message_queue_data_SUITE.erl +++ b/erts/emulator/test/message_queue_data_SUITE.erl @@ -21,7 +21,7 @@ -module(message_queue_data_SUITE). -export([all/0, suite/0]). --export([basic/1, process_info_messages/1]). +-export([basic/1, process_info_messages/1, total_heap_size/1]). -export([basic_test/1]). @@ -32,7 +32,7 @@ suite() -> {timetrap, {minutes, 2}}]. all() -> - [basic, process_info_messages]. + [basic, process_info_messages, total_heap_size]. %% %% @@ -44,15 +44,15 @@ basic(Config) when is_list(Config) -> basic_test(erlang:system_info(message_queue_data)), - {ok, Node1} = start_node(Config, "+xmqd off_heap"), + {ok, Node1} = start_node(Config, "+hmqd off_heap"), ok = rpc:call(Node1, ?MODULE, basic_test, [off_heap]), stop_node(Node1), - {ok, Node2} = start_node(Config, "+xmqd on_heap"), + {ok, Node2} = start_node(Config, "+hmqd on_heap"), ok = rpc:call(Node2, ?MODULE, basic_test, [on_heap]), stop_node(Node2), - {ok, Node3} = start_node(Config, "+xmqd mixed"), + {ok, Node3} = start_node(Config, "+hmqd mixed"), ok = rpc:call(Node3, ?MODULE, basic_test, [mixed]), stop_node(Node3), @@ -190,6 +190,28 @@ process_info_messages(Config) when is_list(Config) -> ok. +total_heap_size(_Config) -> + + Fun = fun F() -> receive Pid when is_pid(Pid) -> Pid ! ok,F() end end, + + %% Test that on_heap messages grow the heap even if they are not received + OnPid = spawn_opt(Fun, [{message_queue_data, on_heap}]), + {total_heap_size, OnSize} = erlang:process_info(OnPid, total_heap_size), + [OnPid ! lists:duplicate(N,N) || N <- lists:seq(1,100)], + OnPid ! self(), receive ok -> ok end, + {total_heap_size, OnSizeAfter} = erlang:process_info(OnPid, total_heap_size), + ct:log("OnSize = ~p, OnSizeAfter = ~p",[OnSize, OnSizeAfter]), + true = OnSize < OnSizeAfter, + + %% Test that off_heap messages do not grow the heap if they are not received + OffPid = spawn_opt(Fun, [{message_queue_data, off_heap}]), + {total_heap_size, OffSize} = erlang:process_info(OffPid, total_heap_size), + [OffPid ! lists:duplicate(N,N) || N <- lists:seq(1,100)], + OffPid ! self(), receive ok -> ok end, + {total_heap_size, OffSizeAfter} = erlang:process_info(OffPid, total_heap_size), + ct:log("OffSize = ~p, OffSizeAfter = ~p",[OffSize, OffSizeAfter]), + true = OffSize == OffSizeAfter. + %% %% %% helpers diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c index 82a0303f86..5a5021b003 100644 --- a/erts/etc/common/erlexec.c +++ b/erts/etc/common/erlexec.c @@ -150,6 +150,7 @@ static char *plush_val_switches[] = { "ms", "mbs", "pds", + "mqd", "", NULL }; @@ -160,12 +161,6 @@ static char *plusr_val_switches[] = { NULL }; -/* +x arguments with values */ -static char *plusx_val_switches[] = { - "mqd", - NULL -}; - /* +z arguments with values */ static char *plusz_val_switches[] = { "dbbl", @@ -986,20 +981,6 @@ int main(int argc, char **argv) add_Eargs(argv[i+1]); i++; break; - case 'x': - if (!is_one_of_strings(&argv[i][2], plusx_val_switches)) { - goto the_default; - } else { - if (i+1 >= argc - || argv[i+1][0] == '-' - || argv[i+1][0] == '+') - usage(argv[i]); - argv[i][0] = '-'; - add_Eargs(argv[i]); - add_Eargs(argv[i+1]); - i++; - } - break; case 'z': if (!is_one_of_strings(&argv[i][2], plusz_val_switches)) { goto the_default; @@ -1200,7 +1181,7 @@ usage_aux(void) "[+S NO_SCHEDULERS:NO_SCHEDULERS_ONLINE] " "[+SP PERCENTAGE_SCHEDULERS:PERCENTAGE_SCHEDULERS_ONLINE] " "[+T LEVEL] [+V] [+v] " - "[+W<i|w|e>] [+x DEFAULT_PROC_FLAGS] [+z MISC_OPTION] [args ...]\n"); + "[+W<i|w|e>] [+z MISC_OPTION] [args ...]\n"); exit(1); } |