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-rw-r--r--erts/emulator/test/driver_SUITE.erl10
-rw-r--r--erts/emulator/test/driver_SUITE_data/otp_9302_drv.c27
-rw-r--r--erts/emulator/test/map_SUITE.erl10
-rw-r--r--erts/emulator/test/nif_SUITE.erl134
-rw-r--r--erts/emulator/test/nif_SUITE_data/nif_SUITE.c1
-rw-r--r--erts/emulator/test/nif_SUITE_data/nif_mod.c50
-rw-r--r--erts/emulator/test/nif_SUITE_data/nif_mod.h6
-rw-r--r--erts/emulator/test/scheduler_SUITE.erl95
8 files changed, 298 insertions, 35 deletions
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index 06211406b4..c62bc0c454 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2014. 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
@@ -1945,6 +1945,14 @@ otp_9302(Config) when is_list(Config) ->
end.
thr_free_drv(Config) when is_list(Config) ->
+ case erlang:system_info(threads) of
+ false ->
+ {skipped, "No thread support"};
+ true ->
+ thr_free_drv_do(Config)
+ end.
+
+thr_free_drv_do(Config) ->
?line Path = ?config(data_dir, Config),
?line erl_ddll:start(),
?line ok = load_driver(Path, thr_free_drv),
diff --git a/erts/emulator/test/driver_SUITE_data/otp_9302_drv.c b/erts/emulator/test/driver_SUITE_data/otp_9302_drv.c
index 7c144d20cf..ad29d17f06 100644
--- a/erts/emulator/test/driver_SUITE_data/otp_9302_drv.c
+++ b/erts/emulator/test/driver_SUITE_data/otp_9302_drv.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2011-2013. All Rights Reserved.
+ * Copyright Ericsson AB 2011-2014. 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
@@ -94,7 +94,7 @@ DRIVER_INIT(otp_9302_drv)
static void stop(ErlDrvData drv_data)
{
Otp9302Data *data = (Otp9302Data *) drv_data;
- if (!data->smp)
+ if (data->msgq.mtx)
erl_drv_mutex_destroy(data->msgq.mtx);
driver_free(data);
}
@@ -114,13 +114,16 @@ static ErlDrvData start(ErlDrvPort port,
driver_system_info(&sys_info, sizeof(ErlDrvSysInfo));
data->smp = sys_info.smp_support;
+ data->msgq.mtx = NULL;
if (!data->smp) {
data->msgq.start = NULL;
data->msgq.end = NULL;
- data->msgq.mtx = erl_drv_mutex_create("");
- if (!data->msgq.mtx) {
- driver_free(data);
- return ERL_DRV_ERROR_GENERAL;
+ if (sys_info.thread_support) {
+ data->msgq.mtx = erl_drv_mutex_create("");
+ if (!data->msgq.mtx) {
+ driver_free(data);
+ return ERL_DRV_ERROR_GENERAL;
+ }
}
}
@@ -143,19 +146,22 @@ static void enqueue_reply(Otp9302AsyncData *adata)
Otp9302MsgQ *msgq = adata->msgq;
adata->next = NULL;
adata->refc++;
- erl_drv_mutex_lock(msgq->mtx);
+ if (msgq->mtx)
+ erl_drv_mutex_lock(msgq->mtx);
if (msgq->end)
msgq->end->next = adata;
else
msgq->end = msgq->start = adata;
msgq->end = adata;
- erl_drv_mutex_unlock(msgq->mtx);
+ if (msgq->mtx)
+ erl_drv_mutex_unlock(msgq->mtx);
}
static void dequeue_replies(Otp9302AsyncData *adata)
{
Otp9302MsgQ *msgq = adata->msgq;
- erl_drv_mutex_lock(msgq->mtx);
+ if (msgq->mtx)
+ erl_drv_mutex_lock(msgq->mtx);
if (--adata->refc == 0)
driver_free(adata);
while (msgq->start) {
@@ -166,7 +172,8 @@ static void dequeue_replies(Otp9302AsyncData *adata)
driver_free(adata);
}
msgq->start = msgq->end = NULL;
- erl_drv_mutex_unlock(msgq->mtx);
+ if (msgq->mtx)
+ erl_drv_mutex_unlock(msgq->mtx);
}
static void async_invoke(void *data)
diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl
index 31c1486f1c..8cc5621181 100644
--- a/erts/emulator/test/map_SUITE.erl
+++ b/erts/emulator/test/map_SUITE.erl
@@ -254,7 +254,15 @@ t_update_exact(Config) when is_list(Config) ->
M2 = M0#{3.0:=new},
#{1:=a,2:=b,3.0:=new,4:=d,5:=e} = M2,
M2 = M0#{3.0=>wrong,3.0:=new},
- M2 = M0#{3=>wrong,3.0:=new},
+ true = M2 =/= M0#{3=>right,3.0:=new},
+ #{ 3 := right, 3.0 := new } = M0#{3=>right,3.0:=new},
+
+ M3 = id(#{ 1 => val}),
+ #{1 := update2,1.0 := new_val4} = M3#{
+ 1.0 => new_val1, 1 := update, 1=> update3,
+ 1 := update2, 1.0 := new_val2, 1.0 => new_val3,
+ 1.0 => new_val4 },
+
%% Errors cases.
{'EXIT',{badarg,_}} = (catch M0#{nonexisting:=val}),
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index bcc1f9e5af..a854d3f05b 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -850,6 +850,138 @@ resource_takeover(Config) when is_list(Config) ->
?line ok = forget_resource(AN4),
?line [] = nif_mod_call_history(),
+
+ %%
+ %% Test rollback after failed upgrade of same lib-version
+ %%
+
+ {A5,BinA5} = make_resource(2, Holder, "A5"),
+ {NA5,BinNA5} = make_resource(0, Holder, "NA5"),
+ {AN5,_BinAN5} = make_resource(1, Holder, "AN5"),
+
+ {A6,BinA6} = make_resource(2, Holder, "A6"),
+ {NA6,BinNA6} = make_resource(0, Holder, "NA6"),
+ {AN6,_BinAN6} = make_resource(1, Holder, "AN6"),
+
+ {module,nif_mod} = erlang:load_module(nif_mod,ModBin),
+ undefined = nif_mod:lib_version(),
+ {error,{upgrade,_}} =
+ nif_mod:load_nif_lib(Config, 1,
+ [{resource_type, 4, ?RT_TAKEOVER, "resource_type_A",resource_dtor_B,
+ ?RT_TAKEOVER},
+ {resource_type, 4, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",null,
+ ?RT_TAKEOVER},
+ {resource_type, 4, ?RT_TAKEOVER, "resource_type_A_null",resource_dtor_A,
+ ?RT_TAKEOVER},
+ {resource_type, 4, ?RT_CREATE, "Mr Pink", resource_dtor_A,
+ ?RT_CREATE},
+
+ {return, 1} % FAIL
+ ]),
+
+ undefined = nif_mod:lib_version(),
+ [{upgrade,1,5,105}] = nif_mod_call_history(),
+
+ %% Make sure dtor was not changed (from A to B)
+ ok = forget_resource(A5),
+ [{{resource_dtor_A_v1,BinA5},1,6,106}] = nif_mod_call_history(),
+
+ %% Make sure dtor was not nullified (from A to null)
+ ok = forget_resource(NA5),
+ [{{resource_dtor_A_v1,BinNA5},1,7,107}] = nif_mod_call_history(),
+
+ %% Make sure dtor was not added (from null to A)
+ ok = forget_resource(AN5),
+ [] = nif_mod_call_history(),
+
+ %%
+ %% Test rollback after failed upgrade of other lib-version
+ %%
+
+ {error,{upgrade,_}} =
+ nif_mod:load_nif_lib(Config, 2,
+ [{resource_type, 4, ?RT_TAKEOVER, "resource_type_A",resource_dtor_B,
+ ?RT_TAKEOVER},
+ {resource_type, 4, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",null,
+ ?RT_TAKEOVER},
+ {resource_type, 4, ?RT_TAKEOVER, "resource_type_A_null",resource_dtor_A,
+ ?RT_TAKEOVER},
+ {resource_type, null, ?RT_TAKEOVER, "Mr Pink", resource_dtor_A,
+ ?RT_TAKEOVER},
+ {resource_type, 4, ?RT_CREATE, "Mr Pink", resource_dtor_A,
+ ?RT_CREATE},
+
+ {return, 1} % FAIL
+ ]),
+
+ undefined = nif_mod:lib_version(),
+ [{upgrade,2,_,_}] = nif_mod_call_history(),
+
+ %% Make sure dtor was not changed (from A to B)
+ ok = forget_resource(A6),
+ [{{resource_dtor_A_v1,BinA6},1,_,_}] = nif_mod_call_history(),
+
+ %% Make sure dtor was not nullified (from A to null)
+ ok = forget_resource(NA6),
+ [{{resource_dtor_A_v1,BinNA6},1,_,_}] = nif_mod_call_history(),
+
+ %% Make sure dtor was not added (from null to A)
+ ok = forget_resource(AN6),
+ [] = nif_mod_call_history(),
+
+ %%
+ %% Test rolback after failed initial load
+ %%
+ false = code:purge(nif_mod),
+ [{unload,1,_,_}] = nif_mod_call_history(),
+ true = code:delete(nif_mod),
+ false = code:purge(nif_mod),
+ [] = nif_mod_call_history(),
+
+
+ {module,nif_mod} = erlang:load_module(nif_mod,ModBin),
+ undefined = nif_mod:lib_version(),
+ {error,{load,_}} =
+ nif_mod:load_nif_lib(Config, 1,
+ [{resource_type, null, ?RT_TAKEOVER, "resource_type_A",resource_dtor_A,
+ ?RT_TAKEOVER},
+ {resource_type, 4, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",null,
+ ?RT_CREATE},
+ {resource_type, 4, ?RT_CREATE, "resource_type_A_null",resource_dtor_A,
+ ?RT_CREATE},
+ {resource_type, 4, ?RT_CREATE, "Mr Pink", resource_dtor_A,
+ ?RT_CREATE},
+
+ {return, 1} % FAIL
+ ]),
+
+ undefined = nif_mod:lib_version(),
+ ok = nif_mod:load_nif_lib(Config, 1,
+ [{resource_type, null, ?RT_TAKEOVER, "resource_type_A",resource_dtor_A,
+ ?RT_TAKEOVER},
+ {resource_type, 0, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",
+ resource_dtor_A, ?RT_CREATE},
+
+ {resource_type, 1, ?RT_CREATE, "resource_type_A_null", null,
+ ?RT_CREATE},
+ {resource_type, null, ?RT_TAKEOVER, "Mr Pink", resource_dtor_A,
+ ?RT_TAKEOVER},
+
+ {return, 0} % SUCCESS
+ ]),
+
+ ?line hold_nif_mod_priv_data(nif_mod:get_priv_data_ptr()),
+ ?line [{load,1,1,101},{get_priv_data_ptr,1,2,102}] = nif_mod_call_history(),
+
+ {NA7,BinNA7} = make_resource(0, Holder, "NA7"),
+ {AN7,BinAN7} = make_resource(1, Holder, "AN7"),
+
+ ok = forget_resource(NA7),
+ [{{resource_dtor_A_v1,BinNA7},1,_,_}] = nif_mod_call_history(),
+
+ ok = forget_resource(AN7),
+ [] = nif_mod_call_history(),
+
?line true = lists:member(?MODULE, erlang:system_info(taints)),
?line true = lists:member(nif_mod, erlang:system_info(taints)),
?line verify_tmpmem(TmpMem),
@@ -1406,7 +1538,7 @@ dirty_nif(Config) when is_list(Config) ->
{skipped,"No dirty scheduler support"}
end.
-next_msg(Pid) ->
+next_msg(_Pid) ->
receive
M -> M
after 100 ->
diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
index b550d1f16d..160f4843ad 100644
--- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
+++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
@@ -1477,7 +1477,6 @@ static ERL_NIF_TERM consume_timeslice_nif(ErlNifEnv* env, int argc, const ERL_NI
{
int percent;
char atom[10];
- int do_repeat;
if (!enif_get_int(env, argv[0], &percent) ||
!enif_get_atom(env, argv[1], atom, sizeof(atom), ERL_NIF_LATIN1)) {
diff --git a/erts/emulator/test/nif_SUITE_data/nif_mod.c b/erts/emulator/test/nif_SUITE_data/nif_mod.c
index e32d10057c..55a0d2ac4f 100644
--- a/erts/emulator/test/nif_SUITE_data/nif_mod.c
+++ b/erts/emulator/test/nif_SUITE_data/nif_mod.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2009-2010. All Rights Reserved.
+ * Copyright Ericsson AB 2009-2014. 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
@@ -41,6 +41,7 @@ static ERL_NIF_TERM am_null;
static ERL_NIF_TERM am_resource_type;
static ERL_NIF_TERM am_resource_dtor_A;
static ERL_NIF_TERM am_resource_dtor_B;
+static ERL_NIF_TERM am_return;
static NifModPrivData* priv_data(ErlNifEnv* env)
{
@@ -54,6 +55,7 @@ static void init(ErlNifEnv* env)
am_resource_type = enif_make_atom(env, "resource_type");
am_resource_dtor_A = enif_make_atom(env, "resource_dtor_A");
am_resource_dtor_B = enif_make_atom(env, "resource_dtor_B");
+ am_return = enif_make_atom(env, "return");
}
static void add_call_with_arg(ErlNifEnv* env, NifModPrivData* data, const char* func_name,
@@ -105,19 +107,15 @@ static void resource_dtor_B(ErlNifEnv* env, void* a)
}
/* {resource_type, Ix|null, ErlNifResourceFlags in, "TypeName", dtor(A|B|null), ErlNifResourceFlags out}*/
-static void open_resource_type(ErlNifEnv* env, ERL_NIF_TERM op_tpl)
+static void open_resource_type(ErlNifEnv* env, const ERL_NIF_TERM* arr)
{
NifModPrivData* data = priv_data(env);
- const ERL_NIF_TERM* arr;
- int arity;
char rt_name[30];
union { ErlNifResourceFlags e; int i; } flags, exp_res, got_res;
unsigned ix;
ErlNifResourceDtor* dtor;
ErlNifResourceType* got_ptr;
- CHECK(enif_get_tuple(env, op_tpl, &arity, &arr));
- CHECK(arity == 6);
CHECK(enif_is_identical(arr[0], am_resource_type));
CHECK(enif_get_int(env, arr[2], &flags.i));
CHECK(enif_get_string(env, arr[3], rt_name, sizeof(rt_name), ERL_NIF_LATIN1) > 0);
@@ -147,18 +145,32 @@ static void open_resource_type(ErlNifEnv* env, ERL_NIF_TERM op_tpl)
CHECK(got_res.e == exp_res.e);
}
-static void do_load_info(ErlNifEnv* env, ERL_NIF_TERM load_info)
+static void do_load_info(ErlNifEnv* env, ERL_NIF_TERM load_info, int* retvalp)
{
NifModPrivData* data = priv_data(env);
ERL_NIF_TERM head, tail;
unsigned ix;
+
for (ix=0; ix<RT_MAX; ix++) {
data->rt_arr[ix] = NULL;
}
for (head = load_info; enif_get_list_cell(env, head, &head, &tail);
head = tail) {
-
- open_resource_type(env, head);
+ const ERL_NIF_TERM* arr;
+ int arity;
+
+ CHECK(enif_get_tuple(env, head, &arity, &arr));
+ switch (arity) {
+ case 6:
+ open_resource_type(env, arr);
+ break;
+ case 2:
+ CHECK(arr[0] == am_return);
+ CHECK(enif_get_int(env, arr[1], retvalp));
+ break;
+ default:
+ CHECK(0);
+ }
}
CHECK(enif_is_empty_list(env, head));
}
@@ -166,6 +178,7 @@ static void do_load_info(ErlNifEnv* env, ERL_NIF_TERM load_info)
static int load(ErlNifEnv* env, void** priv, ERL_NIF_TERM load_info)
{
NifModPrivData* data;
+ int retval = 0;
init(env);
data = (NifModPrivData*) enif_alloc(sizeof(NifModPrivData));
@@ -177,38 +190,41 @@ static int load(ErlNifEnv* env, void** priv, ERL_NIF_TERM load_info)
add_call(env, data, "load");
- do_load_info(env, load_info);
- data->calls = 0;
- return 0;
+ do_load_info(env, load_info, &retval);
+ if (retval)
+ NifModPrivData_release(data);
+ return retval;
}
static int reload(ErlNifEnv* env, void** priv, ERL_NIF_TERM load_info)
{
NifModPrivData* data = (NifModPrivData*) *priv;
+ int retval = 0;
init(env);
add_call(env, data, "reload");
- do_load_info(env, load_info);
- return 0;
+ do_load_info(env, load_info, &retval);
+ return retval;
}
static int upgrade(ErlNifEnv* env, void** priv, void** old_priv_data, ERL_NIF_TERM load_info)
{
NifModPrivData* data = (NifModPrivData*) *old_priv_data;
+ int retval = 0;
init(env);
add_call(env, data, "upgrade");
data->ref_cnt++;
*priv = *old_priv_data;
- do_load_info(env, load_info);
+ do_load_info(env, load_info, &retval);
- return 0;
+ return retval;
}
static void unload(ErlNifEnv* env, void* priv)
{
NifModPrivData* data = (NifModPrivData*) priv;
- int is_last;
+
add_call(env, data, "unload");
NifModPrivData_release(data);
}
diff --git a/erts/emulator/test/nif_SUITE_data/nif_mod.h b/erts/emulator/test/nif_SUITE_data/nif_mod.h
index cd0ecf4b54..fb14fee815 100644
--- a/erts/emulator/test/nif_SUITE_data/nif_mod.h
+++ b/erts/emulator/test/nif_SUITE_data/nif_mod.h
@@ -14,7 +14,6 @@ typedef struct call_info_t
typedef struct
{
ErlNifMutex* mtx;
- int calls;
int ref_cnt;
CallInfo* call_history;
ErlNifResourceType* rt_arr[RT_MAX];
@@ -28,6 +27,11 @@ typedef struct
enif_mutex_unlock((NMPD)->mtx); \
if (is_last) { \
enif_mutex_destroy((NMPD)->mtx); \
+ while ((NMPD)->call_history) { \
+ CallInfo* next = (NMPD)->call_history->next; \
+ enif_free((NMPD)->call_history); \
+ (NMPD)->call_history = next; \
+ } \
enif_free((NMPD)); \
} \
}while (0)
diff --git a/erts/emulator/test/scheduler_SUITE.erl b/erts/emulator/test/scheduler_SUITE.erl
index 6a43e2b0e7..3906471f87 100644
--- a/erts/emulator/test/scheduler_SUITE.erl
+++ b/erts/emulator/test/scheduler_SUITE.erl
@@ -54,6 +54,7 @@
sbt_cmd/1,
scheduler_threads/1,
scheduler_suspend/1,
+ dirty_scheduler_threads/1,
reader_groups/1]).
-define(DEFAULT_TIMEOUT, ?t:minutes(15)).
@@ -68,6 +69,7 @@ all() ->
equal_and_high_with_part_time_max, equal_with_high,
equal_with_high_max, bound_process,
{group, scheduler_bind}, scheduler_threads, scheduler_suspend,
+ dirty_scheduler_threads,
reader_groups].
groups() ->
@@ -1092,6 +1094,55 @@ scheduler_threads(Config) when is_list(Config) ->
end,
ok.
+dirty_scheduler_threads(Config) when is_list(Config) ->
+ SmpSupport = erlang:system_info(smp_support),
+ try
+ erlang:system_info(dirty_cpu_schedulers),
+ dirty_scheduler_threads_test(Config, SmpSupport)
+ catch
+ error:badarg ->
+ {skipped, "No dirty scheduler support"}
+ end.
+
+dirty_scheduler_threads_test(Config, SmpSupport) ->
+ {Sched, SchedOnln, _} = get_dsstate(Config, ""),
+ {HalfSched, HalfSchedOnln} = case SmpSupport of
+ false -> {1,1};
+ true ->
+ {Sched div 2,
+ SchedOnln div 2}
+ end,
+ Cmd1 = "+SDcpu "++integer_to_list(HalfSched)++":"++
+ integer_to_list(HalfSchedOnln),
+ {HalfSched, HalfSchedOnln, _} = get_dsstate(Config, Cmd1),
+ {HalfSched, HalfSchedOnln, _} = get_dsstate(Config, "+SDPcpu 50:50"),
+ IOSched = 20,
+ {_, _, IOSched} = get_dsstate(Config, "+SDio "++integer_to_list(IOSched)),
+ {ok, Node} = start_node(Config, ""),
+ [ok] = mcall(Node, [fun() -> dirty_schedulers_online_test() end]),
+ ok.
+
+dirty_schedulers_online_test() ->
+ dirty_schedulers_online_test(erlang:system_info(smp_support)).
+dirty_schedulers_online_test(false) -> ok;
+dirty_schedulers_online_test(true) ->
+ dirty_schedulers_online_smp_test(erlang:system_info(schedulers_online)).
+dirty_schedulers_online_smp_test(SchedOnln) when SchedOnln < 4 -> ok;
+dirty_schedulers_online_smp_test(SchedOnln) ->
+ DirtyCPUSchedOnln = erlang:system_info(dirty_cpu_schedulers_online),
+ SchedOnln = DirtyCPUSchedOnln,
+ HalfSchedOnln = SchedOnln div 2,
+ SchedOnln = erlang:system_flag(schedulers_online, HalfSchedOnln),
+ HalfDirtyCPUSchedOnln = DirtyCPUSchedOnln div 2,
+ HalfDirtyCPUSchedOnln = erlang:system_flag(schedulers_online, SchedOnln),
+ DirtyCPUSchedOnln = erlang:system_flag(dirty_cpu_schedulers_online,
+ HalfDirtyCPUSchedOnln),
+ HalfDirtyCPUSchedOnln = erlang:system_info(dirty_cpu_schedulers_online),
+ QrtrDirtyCPUSchedOnln = HalfDirtyCPUSchedOnln div 2,
+ SchedOnln = erlang:system_flag(schedulers_online, HalfSchedOnln),
+ QrtrDirtyCPUSchedOnln = erlang:system_info(dirty_cpu_schedulers_online),
+ ok.
+
get_sstate(Config, Cmd) ->
{ok, Node} = start_node(Config, Cmd),
[SState] = mcall(Node, [fun () ->
@@ -1100,6 +1151,20 @@ get_sstate(Config, Cmd) ->
stop_node(Node),
SState.
+get_dsstate(Config, Cmd) ->
+ {ok, Node} = start_node(Config, Cmd),
+ [DSCPU] = mcall(Node, [fun () ->
+ erlang:system_info(dirty_cpu_schedulers)
+ end]),
+ [DSCPUOnln] = mcall(Node, [fun () ->
+ erlang:system_info(dirty_cpu_schedulers_online)
+ end]),
+ [DSIO] = mcall(Node, [fun () ->
+ erlang:system_info(dirty_io_schedulers)
+ end]),
+ stop_node(Node),
+ {DSCPU, DSCPUOnln, DSIO}.
+
scheduler_suspend(Config) when is_list(Config) ->
?line Dog = ?t:timetrap(?t:minutes(5)),
?line lists:foreach(fun (S) -> scheduler_suspend_test(Config, S) end,
@@ -1171,16 +1236,40 @@ sst2_loop(N) ->
erlang:system_flag(multi_scheduling, unblock),
sst2_loop(N-1).
-sst3_loop(_S, 0) ->
- ok;
sst3_loop(S, N) ->
+ try erlang:system_info(dirty_cpu_schedulers) of
+ DS ->
+ sst3_loop_with_dirty_schedulers(S, DS, N)
+ catch
+ error:badarg ->
+ sst3_loop_normal_schedulers_only(S, N)
+ end.
+
+sst3_loop_normal_schedulers_only(_S, 0) ->
+ ok;
+sst3_loop_normal_schedulers_only(S, N) ->
+ erlang:system_flag(schedulers_online, (S div 2)+1),
+ erlang:system_flag(schedulers_online, 1),
+ erlang:system_flag(schedulers_online, (S div 2)+1),
+ erlang:system_flag(schedulers_online, S),
+ erlang:system_flag(schedulers_online, 1),
+ erlang:system_flag(schedulers_online, S),
+ sst3_loop_normal_schedulers_only(S, N-1).
+
+sst3_loop_with_dirty_schedulers(_S, _DS, 0) ->
+ ok;
+sst3_loop_with_dirty_schedulers(S, DS, N) ->
erlang:system_flag(schedulers_online, (S div 2)+1),
+ erlang:system_flag(dirty_cpu_schedulers_online, (DS div 2)+1),
erlang:system_flag(schedulers_online, 1),
erlang:system_flag(schedulers_online, (S div 2)+1),
+ erlang:system_flag(dirty_cpu_schedulers_online, 1),
erlang:system_flag(schedulers_online, S),
+ erlang:system_flag(dirty_cpu_schedulers_online, DS),
erlang:system_flag(schedulers_online, 1),
erlang:system_flag(schedulers_online, S),
- sst3_loop(S, N-1).
+ erlang:system_flag(dirty_cpu_schedulers_online, DS),
+ sst3_loop_with_dirty_schedulers(S, DS, N-1).
reader_groups(Config) when is_list(Config) ->
%% White box testing. These results are correct, but other results
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 23:46:00 +0000