aboutsummaryrefslogtreecommitdiffstats
path: root/erts
diff options
context:
space:
mode:
Diffstat (limited to 'erts')
-rw-r--r--erts/doc/src/erlang.xml6
-rw-r--r--erts/emulator/beam/beam_bp.h12
-rw-r--r--erts/emulator/beam/erl_trace.c41
-rw-r--r--erts/emulator/beam/utils.c35
-rw-r--r--erts/emulator/nifs/common/erl_tracer_nif.c3
-rw-r--r--erts/emulator/test/match_spec_SUITE.erl11
-rw-r--r--erts/emulator/test/port_trace_SUITE.erl34
-rw-r--r--erts/emulator/test/port_trace_SUITE_data/echo_drv.c4
-rw-r--r--erts/emulator/test/trace_SUITE.erl79
9 files changed, 120 insertions, 105 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 423ccdf98f..1daa582584 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -8637,8 +8637,8 @@ timestamp() ->
<p>Specifies that a tracer module should be called
instead of sending a trace message. The tracer module
can then ignore or change the trace message. For more details
- on how to write a tracer module see <seealso marker="erl_tracer">
- erl_tracer</seealso>
+ on how to write a tracer module see
+ <seealso marker="erts:erl_tracer"><c>erl_tracer</c></seealso>
</p>
</item>
</taglist>
@@ -8989,7 +8989,7 @@ timestamp() ->
<c>erlang:trace_delivered(<anno>Tracee</anno>)</c> resides on.
The special <c><anno>Tracee</anno></c> atom <c>all</c>
denotes all processes that currently are traced in the node.</p>
- <p>When used together with an <seealso marker="#erl_tracer">
+ <p>When used together with an <seealso marker="erts:erl_tracer">
Tracer Module</seealso> any message sent in the trace callback
is guaranteed to have reached it's recipient before the
<c>trace_delivered</c> message is sent.</p>
diff --git a/erts/emulator/beam/beam_bp.h b/erts/emulator/beam/beam_bp.h
index bb171be8a6..08641b86d6 100644
--- a/erts/emulator/beam/beam_bp.h
+++ b/erts/emulator/beam/beam_bp.h
@@ -173,19 +173,7 @@ void erts_clear_time_trace_bif(BeamInstr *pc);
BeamInstr *erts_find_local_func(Eterm mfa[3]);
-ERTS_GLB_INLINE Uint erts_bp_sched2ix(void);
-
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
-ERTS_GLB_INLINE Uint erts_bp_sched2ix(void)
-{
-#ifdef ERTS_SMP
- ErtsSchedulerData *esdp;
- esdp = erts_get_scheduler_data();
- return esdp->no - 1;
-#else
- return 0;
-#endif
-}
extern erts_smp_atomic32_t erts_active_bp_index;
extern erts_smp_atomic32_t erts_staging_bp_index;
diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c
index 56899f574a..128696270b 100644
--- a/erts/emulator/beam/erl_trace.c
+++ b/erts/emulator/beam/erl_trace.c
@@ -658,6 +658,7 @@ do { \
# define GET_NOW(m, s, u) do {get_now(m, s, u);} while (0)
#endif
+
static void
write_sys_msg_to_port(Eterm unused_to,
Port* trace_port,
@@ -1737,41 +1738,6 @@ profile_scheduler(Eterm scheduler_id, Eterm state) {
}
-void
-profile_scheduler_q(Eterm scheduler_id, Eterm state, Eterm no_schedulers, Uint Ms, Uint s, Uint us) {
- Eterm *hp, msg, timestamp;
-
-#ifndef ERTS_SMP
-#define LOCAL_HEAP_SIZE (4 + 7)
- DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE);
- UseTmpHeapNoproc(LOCAL_HEAP_SIZE);
-
- hp = local_heap;
-#else
- ErlHeapFragment *bp;
- Uint hsz;
-
- hsz = 4 + 7;
-
- bp = new_message_buffer(hsz);
- hp = bp->mem;
-#endif
-
- erts_smp_mtx_lock(&smq_mtx);
-
- timestamp = TUPLE3(hp, make_small(Ms), make_small(s), make_small(us)); hp += 4;
- msg = TUPLE6(hp, am_profile, am_scheduler, scheduler_id, state, no_schedulers, timestamp); hp += 7;
-#ifndef ERTS_SMP
- profile_send(NIL, msg);
- UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE);
-#undef LOCAL_HEAP_SIZE
-#else
- enqueue_sys_msg_unlocked(SYS_MSG_TYPE_SYSPROF, NIL, NIL, msg, bp);
-#endif
- erts_smp_mtx_unlock(&smq_mtx);
-
-}
-
/* Port profiling */
void
@@ -1935,7 +1901,10 @@ trace_port_receive(Port *t_p, Eterm caller, Eterm what, ...)
}
data = TUPLE2(hp, caller, data);
- send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif, TRACE_FUN_T_RECEIVE,
+ hp += 3;
+ ASSERT(hp <= (local_heap + LOCAL_HEAP_SIZE) || orig_hp);
+ send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif,
+ TRACE_FUN_T_RECEIVE,
am_receive, data, THE_NON_VALUE);
if (bptr && erts_refc_dectest(&bptr->refc, 1) == 0)
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c
index b280995488..68006e7ef3 100644
--- a/erts/emulator/beam/utils.c
+++ b/erts/emulator/beam/utils.c
@@ -71,41 +71,6 @@
#define HAVE_MALLOPT 0
#endif
-/* profile_scheduler mini message queue */
-
-typedef struct {
- Uint scheduler_id;
- Uint no_schedulers;
- Uint Ms;
- Uint s;
- Uint us;
- Eterm state;
-} profile_sched_msg;
-
-typedef struct {
- profile_sched_msg msg[2];
- Uint n;
-} profile_sched_msg_q;
-
-#ifdef ERTS_SMP
-
-#if 0 /* Unused */
-static void
-dispatch_profile_msg_q(profile_sched_msg_q *psmq)
-{
- int i = 0;
- profile_sched_msg *msg = NULL;
- ASSERT(psmq != NULL);
- for (i = 0; i < psmq->n; i++) {
- msg = &(psmq->msg[i]);
- profile_scheduler_q(make_small(msg->scheduler_id), msg->state, am_undefined, msg->Ms, msg->s, msg->us);
- }
-}
-#endif
-
-#endif
-
-
Eterm*
erts_heap_alloc(Process* p, Uint need, Uint xtra)
{
diff --git a/erts/emulator/nifs/common/erl_tracer_nif.c b/erts/emulator/nifs/common/erl_tracer_nif.c
index 1bb6b940c4..b0c937592a 100644
--- a/erts/emulator/nifs/common/erl_tracer_nif.c
+++ b/erts/emulator/nifs/common/erl_tracer_nif.c
@@ -130,6 +130,9 @@ static ERL_NIF_TERM enabled(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
if (!enif_is_port_alive(env, &to_port))
/* tracer is dead so we should remove this trace point */
return atom_remove;
+ } else {
+ /* The state was not a pid or a port */
+ return atom_remove;
}
/* Only generate trace for when tracer != tracee */
diff --git a/erts/emulator/test/match_spec_SUITE.erl b/erts/emulator/test/match_spec_SUITE.erl
index ea973276db..6733237b20 100644
--- a/erts/emulator/test/match_spec_SUITE.erl
+++ b/erts/emulator/test/match_spec_SUITE.erl
@@ -597,16 +597,15 @@ ms_trace3(Config) when is_list(Config) ->
end),
ok.
-ms_trace_dead(doc) ->
- ["Test that a dead tracer is removed using ms"];
-ms_trace_dead(suite) -> [];
-ms_trace_dead(Config) when is_list(Config) ->
+%% Test that a dead tracer is removed using ms
+ms_trace_dead(_Config) ->
Self = self(),
TFun = fun F() -> receive M -> Self ! M, F() end end,
{Tracer, MRef} = spawn_monitor(TFun),
MetaTracer = spawn_link(TFun),
erlang:trace_pattern({?MODULE, f1, '_'},
- [{'_',[],[{trace,[],
+ [{'_',[],[{message, false},
+ {trace,[],
[call,{const,{tracer,Tracer}}]}]}],
[{meta, MetaTracer}]),
erlang:trace_pattern({?MODULE, f2, '_'}, []),
@@ -623,8 +622,6 @@ ms_trace_dead(Config) when is_list(Config) ->
?MODULE:f2(3,4),
TRef = erlang:trace_delivered(all),
receive {trace_delivered, _, TRef} -> ok end,
- receive {trace_ts, Self, call, {?MODULE, f1, _}, _} -> ok end,
- receive {trace_ts, Self, call, {?MODULE, f1, _}, _} -> ok end,
receive M -> ct:fail({unexpected, M}) after 10 -> ok end.
%% Test that destructive operations in test bif does not really happen
diff --git a/erts/emulator/test/port_trace_SUITE.erl b/erts/emulator/test/port_trace_SUITE.erl
index 41e8a316c4..bfdea0761b 100644
--- a/erts/emulator/test/port_trace_SUITE.erl
+++ b/erts/emulator/test/port_trace_SUITE.erl
@@ -240,19 +240,23 @@ command(Config) ->
Prt ! {S, {command, <<?ECHO_DRV_NOOP:8>>}},
[{trace, Prt, 'receive', {S, {command, <<?ECHO_DRV_NOOP:8>>}}}] = flush(),
+ OutputMsg = <<?ECHO_DRV_NOOP:8,0:(8*512)>>,
+ Prt ! {S, {command, OutputMsg}},
+ [{trace, Prt, 'receive', {S, {command, OutputMsg}}}] = flush(),
+
close(Prt, Flags),
os:putenv("OUTPUTV","true"),
reload_drv(Config),
Prt2 = erlang:open_port({spawn, echo_drv}, [binary]),
- Msg = [<<0:8>>,<<0:(8*512)>>,<<0:(8*256)>>,<<0:8>>],
+ OutputvMsg = [<<0:8>>,<<0:(8*512)>>,<<0:(8*256)>>,<<0:8>>],
- erlang:port_command(Prt2, Msg),
- [{trace, Prt2, 'receive', {S, {command, Msg}}}] = flush(),
+ erlang:port_command(Prt2, OutputvMsg),
+ [{trace, Prt2, 'receive', {S, {command, OutputvMsg}}}] = flush(),
- Prt2 ! {S, {command, Msg}},
- [{trace, Prt2, 'receive', {S, {command, Msg}}}] = flush(),
+ Prt2 ! {S, {command, OutputvMsg}},
+ [{trace, Prt2, 'receive', {S, {command, OutputvMsg}}}] = flush(),
close(Prt2, Flags),
@@ -274,6 +278,12 @@ control(_Config) ->
[{trace, Prt, 'receive', {S, {control, {(1 bsl 32) - 1, <<?ECHO_DRV_NOOP:8, 0:8>>}}}},
{trace, Prt, send, {Prt, {control, <<0:8>>}}, S}] = flush(),
+ Msg = <<?ECHO_DRV_NOOP:8, 0:(8*512)>>,
+ Pat = lists:duplicate(512, 0),
+ Pat = erlang:port_control(Prt, 1, Msg),
+ [{trace, Prt, 'receive', {S, {control, {1, Msg}}}},
+ {trace, Prt, send, {Prt, {control, <<0:(8*512)>>}}, S}] = flush(),
+
close(Prt, Flags),
ok.
@@ -331,12 +341,16 @@ call(_Config) ->
Flags = [send,'receive'],
{Prt, S} = trace_and_open(Flags,[binary]),
- Msg = {hello, world, make_ref()},
- BinMsg = term_to_binary(Msg),
+ Test = fun(Msg) ->
+ BinMsg = term_to_binary(Msg),
+
+ Msg = erlang:port_call(Prt, 0, Msg),
+ [{trace, Prt, 'receive', {S, {call, {0, BinMsg}}}},
+ {trace, Prt, send, {Prt, {call, BinMsg}}, S}] = flush()
+ end,
- Msg = erlang:port_call(Prt, 0, Msg),
- [{trace, Prt, 'receive', {S, {call, {0, BinMsg}}}},
- {trace, Prt, send, {Prt, {call, BinMsg}}, S}] = flush(),
+ Test({hello, world, make_ref()}),
+ Test({hello, world, lists:seq(1,1000)}),
close(Prt, Flags),
diff --git a/erts/emulator/test/port_trace_SUITE_data/echo_drv.c b/erts/emulator/test/port_trace_SUITE_data/echo_drv.c
index b5728bc170..b5ae9389b4 100644
--- a/erts/emulator/test/port_trace_SUITE_data/echo_drv.c
+++ b/erts/emulator/test/port_trace_SUITE_data/echo_drv.c
@@ -217,6 +217,8 @@ static ErlDrvSSizeT echo_drv_control(ErlDrvData drv_data,
char *buf, ErlDrvSizeT len,
char **rbuf, ErlDrvSizeT rlen)
{
+ if ((len - 1) > rlen)
+ *rbuf = driver_alloc(len - 1);
memcpy(*rbuf, buf+1, len-1);
return len-1;
}
@@ -232,6 +234,8 @@ static ErlDrvSSizeT echo_drv_call(ErlDrvData drv_data,
char **rbuf, ErlDrvSizeT rlen,
unsigned int *flags)
{
+ if ((len - command) > rlen)
+ *rbuf = driver_alloc(len - command);
memcpy(*rbuf, buf+command, len-command);
return len-command;
}
diff --git a/erts/emulator/test/trace_SUITE.erl b/erts/emulator/test/trace_SUITE.erl
index b7f312635e..29e043dd5c 100644
--- a/erts/emulator/test/trace_SUITE.erl
+++ b/erts/emulator/test/trace_SUITE.erl
@@ -27,11 +27,12 @@
-export([all/0, suite/0, link_receive_call_correlation/0,
receive_trace/1, link_receive_call_correlation/1, self_send/1,
timeout_trace/1, send_trace/1,
- procs_trace/1, dist_procs_trace/1,
+ procs_trace/1, dist_procs_trace/1, procs_new_trace/1,
suspend/1, mutual_suspend/1, suspend_exit/1, suspender_exit/1,
suspend_system_limit/1, suspend_opts/1, suspend_waiting/1,
new_clear/1, existing_clear/1,
set_on_spawn/1, set_on_first_spawn/1, cpu_timestamp/1,
+ set_on_link/1, set_on_first_link/1,
system_monitor_args/1, more_system_monitor_args/1,
system_monitor_long_gc_1/1, system_monitor_long_gc_2/1,
system_monitor_large_heap_1/1, system_monitor_large_heap_2/1,
@@ -54,7 +55,8 @@ all() ->
mutual_suspend, suspend_exit, suspender_exit,
suspend_system_limit, suspend_opts, suspend_waiting,
new_clear, existing_clear, set_on_spawn,
- set_on_first_spawn, system_monitor_args,
+ set_on_first_spawn, set_on_link, set_on_first_link,
+ system_monitor_args,
more_system_monitor_args, system_monitor_long_gc_1,
system_monitor_long_gc_2, system_monitor_large_heap_1,
system_monitor_long_schedule,
@@ -454,6 +456,34 @@ dist_procs_trace(Config) when is_list(Config) ->
true = stop_node(OtherNode),
ok.
+%% Test trace(new, How, [procs]).
+procs_new_trace(Config) when is_list(Config) ->
+ Self = self(),
+ process_flag(trap_exit, true),
+ %%
+ Proc1 = spawn_link(?MODULE, process, [Self]),
+ io:format("Proc1 = ~p ~n", [Proc1]),
+ %%
+ 0 = erlang:trace(new, true, [procs]),
+
+ MFA = {?MODULE, process, [Self]},
+ %%
+ %% spawn, link
+ Proc1 ! {spawn_link_please, Self, MFA},
+ Proc3 = receive {spawned, Proc1, P3} -> P3 end,
+ receive {trace, Proc3, spawned, Proc1, MFA} -> ok end,
+ receive {trace, Proc3, getting_linked, Proc1} -> ok end,
+ io:format("Proc3 = ~p ~n", [Proc3]),
+ receive_nothing(),
+ %%
+ %%
+ %% exit (not linked to tracing process)
+ Reason1 = make_ref(),
+ Proc1 ! {exit_please, Reason1},
+ receive {'EXIT', Proc1, Reason1} -> ok end,
+ {trace, Proc3, exit, Reason1} = receive_first_trace(),
+ receive_nothing(),
+ ok.
@@ -501,6 +531,51 @@ set_on_first_spawn(Config) when is_list(Config) ->
receive_nothing(),
ok.
+%% Tests trace(Pid, How, [set_on_link]).
+
+set_on_link(Config) ->
+ Listener = fun_spawn(fun process/0),
+
+ %% Create and trace a process with the set_on_link flag.
+ %% Make sure it is traced.
+ Father_SOL = fun_spawn(fun process/0),
+ 1 = erlang:trace(Father_SOL, true, [send, set_on_link]),
+ true = is_send_traced(Father_SOL, Listener, sol_father),
+
+ %% Have the process spawn of two children and test that they
+ %% are traced.
+ [Child1, Child2] = spawn_children(Father_SOL, 2),
+ true = is_send_traced(Child1, Listener, child1),
+ true = is_send_traced(Child2, Listener, child2),
+
+ %% Second generation.
+ [Child11, Child12] = spawn_children(Child1, 2),
+ true = is_send_traced(Child11, Listener, child11),
+ true = is_send_traced(Child12, Listener, child12),
+ ok.
+
+%% Tests trace(Pid, How, [set_on_first_spawn]).
+
+set_on_first_link(Config) ->
+ ct:timetrap({seconds, 10}),
+ Listener = fun_spawn(fun process/0),
+
+ %% Create and trace a process with the set_on_first_spawn flag.
+ %% Make sure it is traced.
+ Parent = fun_spawn(fun process/0),
+ 1 = erlang:trace(Parent, true, [send, set_on_first_link]),
+ is_send_traced(Parent, Listener, sol_father),
+
+ %% Have the process spawn off three children and test that the
+ %% first is traced.
+ [Child1, Child2, Child3] = spawn_children(Parent, 3),
+ true = is_send_traced(Child1, Listener, child1),
+ false = is_send_traced(Child2, Listener, child2),
+ false = is_send_traced(Child3, Listener, child3),
+ receive_nothing(),
+ ok.
+
+
%% Tests arguments to erlang:system_monitor/0,1,2
system_monitor_args(Config) when is_list(Config) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 14:12:28 +0000