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-rw-r--r--erts/emulator/test/driver_SUITE.erl63
-rw-r--r--erts/emulator/test/driver_SUITE_data/Makefile.src3
-rw-r--r--erts/emulator/test/driver_SUITE_data/thr_msg_blast_drv.c178
3 files changed, 241 insertions, 3 deletions
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index 643357263c..9a66257aff 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -77,7 +77,8 @@
thread_mseg_alloc_cache_clean/1,
otp_9302/1,
thr_free_drv/1,
- async_blast/1]).
+ async_blast/1,
+ thr_msg_blast/1]).
-export([bin_prefix/2]).
@@ -147,7 +148,8 @@ all() ->
thread_mseg_alloc_cache_clean,
otp_9302,
thr_free_drv,
- async_blast].
+ async_blast,
+ thr_msg_blast].
groups() ->
[{timer, [],
@@ -2010,7 +2012,64 @@ async_blast(Config) when is_list(Config) ->
?line erlang:display({async_blast_time, AsyncBlastTime}),
?line ok.
+thr_msg_blast_receiver(_Port, N, N) ->
+ ok;
+thr_msg_blast_receiver(Port, N, Max) ->
+ receive
+ {Port, hi} ->
+ thr_msg_blast_receiver(Port, N+1, Max)
+ end.
+
+thr_msg_blast_receiver_proc(Port, Max, Parent, Done) ->
+ case port_control(Port, 0, "") of
+ "receiver" ->
+ spawn(fun () ->
+ thr_msg_blast_receiver_proc(Port, Max+1, Parent, Done)
+ end),
+ thr_msg_blast_receiver(Port, 0, Max);
+ "done" ->
+ Parent ! Done
+ end.
+thr_msg_blast(Config) when is_list(Config) ->
+ case erlang:system_info(smp_support) of
+ false ->
+ {skipped, "Non-SMP emulator; nothing to test..."};
+ true ->
+ Path = ?config(data_dir, Config),
+ erl_ddll:start(),
+ ok = load_driver(Path, thr_msg_blast_drv),
+ MemBefore = driver_alloc_size(),
+ Start = os:timestamp(),
+ Port = open_port({spawn, thr_msg_blast_drv}, []),
+ true = is_port(Port),
+ Done = make_ref(),
+ Me = self(),
+ spawn(fun () ->
+ thr_msg_blast_receiver_proc(Port, 1, Me, Done)
+ end),
+ receive
+ Done -> ok
+ end,
+ ok = thr_msg_blast_receiver(Port, 0, 32*10000),
+ port_close(Port),
+ End = os:timestamp(),
+ receive
+ Garbage ->
+ ?t:fail({received_garbage, Port, Garbage})
+ after 2000 ->
+ ok
+ end,
+ MemAfter = driver_alloc_size(),
+ io:format("MemBefore=~p, MemAfter=~p~n",
+ [MemBefore, MemAfter]),
+ ThrMsgBlastTime = timer:now_diff(End,Start)/1000000,
+ io:format("ThrMsgBlastTime=~p~n", [ThrMsgBlastTime]),
+ MemBefore = MemAfter,
+ Res = {thr_msg_blast_time, ThrMsgBlastTime},
+ erlang:display(Res),
+ Res
+ end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Utilities
diff --git a/erts/emulator/test/driver_SUITE_data/Makefile.src b/erts/emulator/test/driver_SUITE_data/Makefile.src
index 9cc107cc66..b667dff6b6 100644
--- a/erts/emulator/test/driver_SUITE_data/Makefile.src
+++ b/erts/emulator/test/driver_SUITE_data/Makefile.src
@@ -14,7 +14,8 @@ MISC_DRVS = outputv_drv@dll@ \
thr_alloc_drv@dll@ \
otp_9302_drv@dll@ \
thr_free_drv@dll@ \
- async_blast_drv@dll@
+ async_blast_drv@dll@ \
+ thr_msg_blast_drv@dll@
SYS_INFO_DRVS = sys_info_base_drv@dll@ \
sys_info_prev_drv@dll@ \
diff --git a/erts/emulator/test/driver_SUITE_data/thr_msg_blast_drv.c b/erts/emulator/test/driver_SUITE_data/thr_msg_blast_drv.c
new file mode 100644
index 0000000000..1070678d7b
--- /dev/null
+++ b/erts/emulator/test/driver_SUITE_data/thr_msg_blast_drv.c
@@ -0,0 +1,178 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2012. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+#include "erl_driver.h"
+
+#define THR_MSG_BLAST_NO_PROCS 10
+#define THR_MSG_BLAST_NO_SENDS_PER_PROC 10000
+
+#define THR_MSG_BLAST_THREADS 32
+
+static void stop(ErlDrvData drv_data);
+static ErlDrvData start(ErlDrvPort port,
+ char *command);
+static ErlDrvSSizeT control(ErlDrvData drv_data,
+ unsigned int command,
+ char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen);
+
+static ErlDrvEntry thr_msg_blast_drv_entry = {
+ NULL /* init */,
+ start,
+ stop,
+ NULL /* output */,
+ NULL /* ready_input */,
+ NULL /* ready_output */,
+ "thr_msg_blast_drv",
+ NULL /* finish */,
+ NULL /* handle */,
+ control,
+ NULL /* timeout */,
+ NULL /* outputv */,
+ NULL /* ready_async */,
+ NULL /* flush */,
+ NULL /* call */,
+ NULL /* event */,
+ ERL_DRV_EXTENDED_MARKER,
+ ERL_DRV_EXTENDED_MAJOR_VERSION,
+ ERL_DRV_EXTENDED_MINOR_VERSION,
+ ERL_DRV_FLAG_USE_PORT_LOCKING,
+ NULL /* handle2 */,
+ NULL /* handle_monitor */
+};
+
+typedef struct {
+ ErlDrvPort port;
+ ErlDrvTermData td_port;
+ ErlDrvTermData hi;
+ ErlDrvTid tid[THR_MSG_BLAST_THREADS];
+ int no_thrs;
+ ErlDrvTermData proc[THR_MSG_BLAST_NO_PROCS];
+ int no_procs;
+} thr_msg_blast_data_t;
+
+
+DRIVER_INIT(thr_msg_blast_drv)
+{
+ return &thr_msg_blast_drv_entry;
+}
+
+static void stop(ErlDrvData drv_data)
+{
+ int i;
+ thr_msg_blast_data_t *tmbd = (thr_msg_blast_data_t *) drv_data;
+ for (i = 0; i < tmbd->no_thrs; i++)
+ erl_drv_thread_join(tmbd->tid[i], NULL);
+ driver_free((void *) tmbd);
+}
+
+static ErlDrvData start(ErlDrvPort port,
+ char *command)
+{
+ thr_msg_blast_data_t *tmbd;
+
+ tmbd = driver_alloc(sizeof(thr_msg_blast_data_t));
+ if (!tmbd)
+ return ERL_DRV_ERROR_GENERAL;
+
+ tmbd->port = port;
+ tmbd->td_port = driver_mk_port(port);
+ tmbd->hi = driver_mk_atom("hi");
+ tmbd->no_thrs = 0;
+ tmbd->no_procs = 1;
+ tmbd->proc[0] = driver_caller(port);
+
+ return (ErlDrvData) tmbd;
+}
+
+static void *thread(void *);
+
+static ErlDrvSSizeT control(ErlDrvData drv_data,
+ unsigned int command,
+ char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen)
+{
+ thr_msg_blast_data_t *tmbd = (thr_msg_blast_data_t *) drv_data;
+ char *res_str = "error";
+
+ if (tmbd->no_procs >= THR_MSG_BLAST_NO_PROCS) {
+ int i;
+ for (i = 0; i < tmbd->no_thrs; i++)
+ erl_drv_thread_join(tmbd->tid[i], NULL);
+ tmbd->no_thrs = 0;
+ res_str = "done";
+ }
+ else {
+
+ tmbd->proc[tmbd->no_procs++] = driver_caller(tmbd->port);
+
+ if (tmbd->no_procs == THR_MSG_BLAST_NO_PROCS) {
+ for (tmbd->no_thrs = 0;
+ tmbd->no_thrs < THR_MSG_BLAST_THREADS;
+ tmbd->no_thrs++) {
+ int res = erl_drv_thread_create("test",
+ &tmbd->tid[tmbd->no_thrs],
+ thread,
+ tmbd,
+ NULL);
+ if (res != 0) {
+ driver_failure_posix(tmbd->port, res);
+ goto done;
+ }
+ }
+ }
+
+ res_str = "receiver";
+ }
+
+ done: {
+ ErlDrvSSizeT res_len = strlen(res_str);
+ if (res_len > rlen) {
+ char *abuf = driver_alloc(sizeof(char)*res_len);
+ if (!abuf)
+ return 0;
+ *rbuf = abuf;
+ }
+
+ memcpy((void *) *rbuf, (void *) res_str, res_len);
+
+ return res_len;
+ }
+}
+
+static void *thread(void *varg)
+{
+ int s, p;
+ thr_msg_blast_data_t *tmbd = (thr_msg_blast_data_t *) varg;
+ ErlDrvTermData spec[] = {
+ ERL_DRV_PORT, tmbd->td_port,
+ ERL_DRV_ATOM, tmbd->hi,
+ ERL_DRV_TUPLE, 2
+ };
+
+ for (s = 0; s < THR_MSG_BLAST_NO_SENDS_PER_PROC; s++) {
+ for (p = 0; p < THR_MSG_BLAST_NO_PROCS; p++) {
+ int res = driver_send_term(tmbd->port, tmbd->proc[p],
+ spec, sizeof(spec)/sizeof(spec[0]));
+ if (p == 0 && res <= 0)
+ abort(); /* Could not send to creator */
+ }
+ }
+ return NULL;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 08:03:23 +0000