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-rw-r--r--erts/emulator/test/driver_SUITE.erl186
1 files changed, 161 insertions, 25 deletions
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index a77ea4f3be..643357263c 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -47,8 +47,8 @@
fd_change/1,
steal_control/1,
otp_6602/1,
- 'driver_system_info_ver1.0'/1,
- 'driver_system_info_ver1.1'/1,
+ driver_system_info_base_ver/1,
+ driver_system_info_prev_ver/1,
driver_system_info_current_ver/1,
driver_monitor/1,
@@ -75,7 +75,9 @@
smp_select/1,
driver_select_use/1,
thread_mseg_alloc_cache_clean/1,
- otp_9302/1]).
+ otp_9302/1,
+ thr_free_drv/1,
+ async_blast/1]).
-export([bin_prefix/2]).
@@ -133,8 +135,8 @@ all() ->
[outputv_errors, outputv_echo, queue_echo, {group, timer},
driver_unloaded, io_ready_exit, use_fallback_pollset,
bad_fd_in_pollset, driver_event, fd_change,
- steal_control, otp_6602, 'driver_system_info_ver1.0',
- 'driver_system_info_ver1.1',
+ steal_control, otp_6602, driver_system_info_base_ver,
+ driver_system_info_prev_ver,
driver_system_info_current_ver, driver_monitor,
{group, ioq_exit}, zero_extended_marker_garb_drv,
invalid_extended_marker_drv, larger_major_vsn_drv,
@@ -143,7 +145,9 @@ all() ->
otp_6879, caller, many_events, missing_callbacks,
smp_select, driver_select_use,
thread_mseg_alloc_cache_clean,
- otp_9302].
+ otp_9302,
+ thr_free_drv,
+ async_blast].
groups() ->
[{timer, [],
@@ -1079,19 +1083,19 @@ otp_6602(Config) when is_list(Config) ->
-define(EXPECTED_SYSTEM_INFO_NAMES, ?EXPECTED_SYSTEM_INFO_NAMES2).
-'driver_system_info_ver1.0'(doc) ->
+'driver_system_info_base_ver'(doc) ->
[];
-'driver_system_info_ver1.0'(suite) ->
+'driver_system_info_base_ver'(suite) ->
[];
-'driver_system_info_ver1.0'(Config) when is_list(Config) ->
- ?line driver_system_info_test(Config, sys_info_1_0_drv).
+'driver_system_info_base_ver'(Config) when is_list(Config) ->
+ ?line driver_system_info_test(Config, sys_info_base_drv).
-'driver_system_info_ver1.1'(doc) ->
+'driver_system_info_prev_ver'(doc) ->
[];
-'driver_system_info_ver1.1'(suite) ->
+'driver_system_info_prev_ver'(suite) ->
[];
-'driver_system_info_ver1.1'(Config) when is_list(Config) ->
- ?line driver_system_info_test(Config, sys_info_1_1_drv).
+'driver_system_info_prev_ver'(Config) when is_list(Config) ->
+ ?line driver_system_info_test(Config, sys_info_prev_drv).
driver_system_info_current_ver(doc) ->
[];
@@ -1804,13 +1808,13 @@ thread_mseg_alloc_cache_clean(Config) when is_list(Config) ->
?line {skipped, "driver_alloc() using too large single block threshold"};
{_, _, 0} ->
?line {skipped, "driver_alloc() using too low single block threshold"};
- {true, MsegAllocInfo, SBCT} ->
+ {true, _MsegAllocInfo, SBCT} ->
?line DrvName = 'thr_alloc_drv',
?line Path = ?config(data_dir, Config),
?line erl_ddll:start(),
?line ok = load_driver(Path, DrvName),
?line Port = open_port({spawn, DrvName}, []),
- ?line CCI = mseg_alloc_cci(MsegAllocInfo),
+ ?line CCI = 1000,
?line ?t:format("CCI = ~p~n", [CCI]),
?line CCC = mseg_alloc_ccc(),
?line ?t:format("CCC = ~p~n", [CCC]),
@@ -1831,7 +1835,7 @@ mseg_alloc_cci(MsegAllocInfo) ->
?line CCI.
mseg_alloc_ccc() ->
- mseg_alloc_ccc(erlang:system_info({allocator,mseg_alloc})).
+ mseg_alloc_ccc(mseg_inst_info(0)).
mseg_alloc_ccc(MsegAllocInfo) ->
?line {value,{memkind, MKL}} = lists:keysearch(memkind,1,MsegAllocInfo),
@@ -1841,7 +1845,7 @@ mseg_alloc_ccc(MsegAllocInfo) ->
?line GigaCCC*1000000000 + CCC.
mseg_alloc_cached_segments() ->
- mseg_alloc_cached_segments(erlang:system_info({allocator,mseg_alloc})).
+ mseg_alloc_cached_segments(mseg_inst_info(0)).
mseg_alloc_cached_segments(MsegAllocInfo) ->
MemName = case is_halfword_vm() of
@@ -1859,6 +1863,13 @@ mseg_alloc_cached_segments(MsegAllocInfo) ->
= lists:keysearch(cached_segments, 1, SL),
?line CS.
+mseg_inst_info(I) ->
+ {value, {instance, I, Value}}
+ = lists:keysearch(I,
+ 2,
+ erlang:system_info({allocator,mseg_alloc})),
+ Value.
+
is_halfword_vm() ->
case {erlang:system_info({wordsize, internal}),
erlang:system_info({wordsize, external})} of
@@ -1902,18 +1913,105 @@ otp_9302(Config) when is_list(Config) ->
?line port_command(Port, ""),
?line {msg, block} = get_port_msg(Port, infinity),
?line {msg, job} = get_port_msg(Port, infinity),
- ?line case erlang:system_info(thread_pool_size) of
- 0 ->
- {msg, cancel} = get_port_msg(Port, infinity);
- _ ->
- ok
- end,
- ?line {msg, job} = get_port_msg(Port, infinity),
+ ?line C = case erlang:system_info(thread_pool_size) of
+ 0 ->
+ ?line {msg, cancel} = get_port_msg(Port, infinity),
+ ?line {msg, job} = get_port_msg(Port, infinity),
+ ?line false;
+ _ ->
+ case get_port_msg(Port, infinity) of
+ {msg, cancel} -> %% Cancel always fail in Rel >= 15
+ ?line {msg, job} = get_port_msg(Port, infinity),
+ ?line false;
+ {msg, job} ->
+ ?line ok,
+ ?line true
+ end
+ end,
?line {msg, end_of_jobs} = get_port_msg(Port, infinity),
?line no_msg = get_port_msg(Port, 2000),
?line port_close(Port),
+ ?line case C of
+ true ->
+ ?line {comment, "Async job cancelled"};
+ false ->
+ ?line {comment, "Async job not cancelled"}
+ end.
+
+thr_free_drv(Config) when is_list(Config) ->
+ ?line Path = ?config(data_dir, Config),
+ ?line erl_ddll:start(),
+ ?line ok = load_driver(Path, thr_free_drv),
+ ?line MemBefore = driver_alloc_size(),
+% io:format("SID=~p", [erlang:system_info(scheduler_id)]),
+ ?line Port = open_port({spawn, thr_free_drv}, []),
+ ?line MemPeek = driver_alloc_size(),
+ ?line true = is_port(Port),
+ ?line ok = thr_free_drv_control(Port, 0),
+ ?line port_close(Port),
+ ?line MemAfter = driver_alloc_size(),
+ ?line io:format("MemPeek=~p~n", [MemPeek]),
+ ?line io:format("MemBefore=~p, MemAfter=~p~n", [MemBefore, MemAfter]),
+ ?line MemBefore = MemAfter,
+ ?line case MemPeek of
+ undefined -> ok;
+ _ ->
+ ?line true = MemPeek > MemBefore
+ end,
?line ok.
+thr_free_drv_control(Port, N) ->
+ case erlang:port_control(Port, 0, "") of
+ "done" ->
+ ok;
+ "more" ->
+ erlang:yield(),
+% io:format("N=~p, SID=~p", [N, erlang:system_info(scheduler_id)]),
+ thr_free_drv_control(Port, N+1)
+ end.
+
+async_blast(Config) when is_list(Config) ->
+ ?line Path = ?config(data_dir, Config),
+ ?line erl_ddll:start(),
+ ?line ok = load_driver(Path, async_blast_drv),
+ ?line SchedOnln = erlang:system_info(schedulers_online),
+ ?line MemBefore = driver_alloc_size(),
+ ?line Start = os:timestamp(),
+ ?line Blast = fun () ->
+ Port = open_port({spawn, async_blast_drv}, []),
+ true = is_port(Port),
+ port_command(Port, ""),
+ receive
+ {Port, done} ->
+ ok
+ end,
+ port_close(Port)
+ end,
+ ?line Ps = lists:map(fun (N) ->
+ spawn_opt(Blast,
+ [{scheduler,
+ (N rem SchedOnln)+ 1},
+ monitor])
+ end,
+ lists:seq(1, 100)),
+ ?line MemMid = driver_alloc_size(),
+ ?line lists:foreach(fun ({Pid, Mon}) ->
+ receive
+ {'DOWN',Mon,process,Pid,_} -> ok
+ end
+ end, Ps),
+ ?line End = os:timestamp(),
+ ?line MemAfter = driver_alloc_size(),
+ ?line io:format("MemBefore=~p, MemMid=~p, MemAfter=~p~n",
+ [MemBefore, MemMid, MemAfter]),
+ ?line AsyncBlastTime = timer:now_diff(End,Start)/1000000,
+ ?line io:format("AsyncBlastTime=~p~n", [AsyncBlastTime]),
+ ?line MemBefore = MemAfter,
+ ?line erlang:display({async_blast_time, AsyncBlastTime}),
+ ?line ok.
+
+
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Utilities
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -2077,3 +2175,41 @@ start_node(Config) when is_list(Config) ->
stop_node(Node) ->
?t:stop_node(Node).
+
+wait_deallocations() ->
+ try
+ erts_debug:set_internal_state(wait, deallocations)
+ catch error:undef ->
+ erts_debug:set_internal_state(available_internal_state, true),
+ wait_deallocations()
+ end.
+
+driver_alloc_size() ->
+ case erlang:system_info(smp_support) of
+ true ->
+ ok;
+ false ->
+ %% driver_alloc also used by elements in lock-free queues,
+ %% give these some time to be deallocated...
+ receive after 100 -> ok end
+ end,
+ wait_deallocations(),
+ case erlang:system_info({allocator_sizes, driver_alloc}) of
+ false ->
+ undefined;
+ MemInfo ->
+ CS = lists:foldl(
+ fun ({instance, _, L}, Acc) ->
+ {value,{_,SBMBCS}} = lists:keysearch(sbmbcs, 1, L),
+ {value,{_,MBCS}} = lists:keysearch(mbcs, 1, L),
+ {value,{_,SBCS}} = lists:keysearch(sbcs, 1, L),
+ [SBMBCS,MBCS,SBCS | Acc]
+ end,
+ [],
+ MemInfo),
+ lists:foldl(
+ fun(L, Sz0) ->
+ {value,{_,Sz,_,_}} = lists:keysearch(blocks_size, 1, L),
+ Sz0+Sz
+ end, 0, CS)
+ end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-04 08:14:56 +0000