aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/beam/atom.names7
-rw-r--r--erts/emulator/beam/bif.c35
-rw-r--r--erts/emulator/beam/dist.c4
-rw-r--r--erts/emulator/beam/erl_bif_port.c24
-rw-r--r--erts/emulator/beam/erl_bif_trace.c70
-rw-r--r--erts/emulator/beam/erl_message.c6
-rw-r--r--erts/emulator/beam/erl_nif.c14
-rw-r--r--erts/emulator/beam/erl_port.h2
-rw-r--r--erts/emulator/beam/erl_port_task.c2
-rw-r--r--erts/emulator/beam/erl_process.c4
-rw-r--r--erts/emulator/beam/erl_process.h19
-rw-r--r--erts/emulator/beam/erl_trace.c345
-rw-r--r--erts/emulator/beam/erl_trace.h17
-rw-r--r--erts/emulator/beam/io.c236
-rw-r--r--erts/emulator/beam/register.c6
-rw-r--r--erts/emulator/test/Makefile1
-rw-r--r--erts/emulator/test/call_trace_SUITE.erl66
-rw-r--r--erts/emulator/test/port_trace_SUITE.erl600
-rw-r--r--erts/emulator/test/port_trace_SUITE_data/Makefile.src3
-rw-r--r--erts/emulator/test/port_trace_SUITE_data/echo_drv.c237
-rw-r--r--erts/emulator/test/trace_port_SUITE.erl2
21 files changed, 1510 insertions, 190 deletions
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index aeea6cc989..bd1005867c 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -161,6 +161,7 @@ atom close
atom closed
atom code
atom command
+atom commandv
atom compact
atom compat_rel
atom compile
@@ -245,6 +246,9 @@ atom exact_reductions
atom exclusive
atom exit_status
atom existing
+atom existing_processes
+atom existing_ports
+atom existing
atom exiting
atom exports
atom external
@@ -404,6 +408,8 @@ atom net_kernel_terminated
atom never_utf
atom new
atom new_index
+atom new_processes
+atom new_ports
atom new_uniq
atom newline
atom next
@@ -543,6 +549,7 @@ atom scheme
atom scientific
atom scope
atom seconds
+atom send_to_non_existing_process
atom sensitive
atom sequential_tracer
atom sequential_trace_token
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index d633a982ca..ed5b2983dd 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -1911,7 +1911,7 @@ static Sint remote_send(Process *p, DistEntry *dep,
}
if (res >= 0) {
- if (IS_TRACED(p))
+ if (IS_TRACED_FL(p, F_TRACE_SEND))
trace_send(p, full_to, msg);
if (ERTS_PROC_GET_SAVED_CALLS_BUF(p))
save_calls(p, &exp_send);
@@ -1930,7 +1930,7 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext* ctx)
Eterm* tp;
if (is_internal_pid(to)) {
- if (IS_TRACED(p))
+ if (IS_TRACED_FL(p, F_TRACE_SEND))
trace_send(p, to, msg);
if (ERTS_PROC_GET_SAVED_CALLS_BUF(p))
save_calls(p, &exp_send);
@@ -1959,7 +1959,7 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext* ctx)
rp = erts_proc_lookup_raw(id);
if (rp) {
- if (IS_TRACED(p))
+ if (IS_TRACED_FL(p, F_TRACE_SEND))
trace_send(p, to, msg);
if (ERTS_PROC_GET_SAVED_CALLS_BUF(p))
save_calls(p, &exp_send);
@@ -1975,7 +1975,7 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext* ctx)
goto port_common;
}
- if (IS_TRACED(p))
+ if (IS_TRACED_FL(p, F_TRACE_SEND))
trace_send(p, to, msg);
if (ERTS_PROC_GET_SAVED_CALLS_BUF(p))
save_calls(p, &exp_send);
@@ -2006,11 +2006,20 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext* ctx)
port_common:
ret_val = 0;
-
+
if (pt) {
int ps_flags = ctx->suspend ? 0 : ERTS_PORT_SIG_FLG_NOSUSPEND;
*refp = NIL;
+ if (IS_TRACED_FL(p, F_TRACE_SEND)) /* trace once only !! */
+ trace_send(p, portid, msg);
+
+ if (have_seqtrace(SEQ_TRACE_TOKEN(p))) {
+ seq_trace_update_send(p);
+ seq_trace_output(SEQ_TRACE_TOKEN(p), msg,
+ SEQ_TRACE_SEND, portid, p);
+ }
+
switch (erts_port_command(p, ps_flags, pt, msg, refp)) {
case ERTS_PORT_OP_CALLER_EXIT:
/* We are exiting... */
@@ -2043,18 +2052,10 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext* ctx)
break;
}
}
-
- if (IS_TRACED(p)) /* trace once only !! */
- trace_send(p, portid, msg);
+
if (ERTS_PROC_GET_SAVED_CALLS_BUF(p))
save_calls(p, &exp_send);
-
- if (have_seqtrace(SEQ_TRACE_TOKEN(p))) {
- seq_trace_update_send(p);
- seq_trace_output(SEQ_TRACE_TOKEN(p), msg,
- SEQ_TRACE_SEND, portid, p);
- }
-
+
if (ERTS_PROC_IS_EXITING(p)) {
KILL_CATCHES(p); /* Must exit */
return SEND_USER_ERROR;
@@ -2077,7 +2078,7 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext* ctx)
if (dep == erts_this_dist_entry) {
Eterm id;
erts_deref_dist_entry(dep);
- if (IS_TRACED(p))
+ if (IS_TRACED_FL(p, F_TRACE_SEND))
trace_send(p, to, msg);
if (ERTS_PROC_GET_SAVED_CALLS_BUF(p))
save_calls(p, &exp_send);
@@ -2108,7 +2109,7 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext* ctx)
}
return ret;
} else {
- if (IS_TRACED(p)) /* XXX Is this really neccessary ??? */
+ if (IS_TRACED_FL(p, F_TRACE_SEND))
trace_send(p, to, msg);
if (ERTS_PROC_GET_SAVED_CALLS_BUF(p))
save_calls(p, &exp_send);
diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c
index 8cd3f5fbe6..52fd57e101 100644
--- a/erts/emulator/beam/dist.c
+++ b/erts/emulator/beam/dist.c
@@ -1723,7 +1723,7 @@ decode_error:
}
data_error:
UnUseTmpHeapNoproc(DIST_CTL_DEFAULT_SIZE);
- erts_deliver_port_exit(prt, dep->cid, am_killed, 0);
+ erts_deliver_port_exit(prt, dep->cid, am_killed, 0, 1);
ERTS_SMP_CHK_NO_PROC_LOCKS;
return -1;
}
@@ -2093,7 +2093,7 @@ erts_dist_command(Port *prt, int reds_limit)
erts_smp_de_runlock(dep);
if (status & ERTS_DE_SFLG_EXITING) {
- erts_deliver_port_exit(prt, prt->common.id, am_killed, 0);
+ erts_deliver_port_exit(prt, prt->common.id, am_killed, 0, 1);
erts_deref_dist_entry(dep);
return reds + ERTS_PORT_REDS_DIST_CMD_EXIT;
}
diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c
index eb55bd585e..37f4e1de49 100644
--- a/erts/emulator/beam/erl_bif_port.c
+++ b/erts/emulator/beam/erl_bif_port.c
@@ -110,6 +110,10 @@ BIF_RETTYPE erts_internal_open_port_2(BIF_ALIST_2)
erts_add_link(&ERTS_P_LINKS(port), LINK_PID, BIF_P->common.id);
erts_add_link(&ERTS_P_LINKS(BIF_P), LINK_PID, port->common.id);
+ if (IS_TRACED_FL(BIF_P, F_TRACE_PROCS))
+ trace_proc(BIF_P, ERTS_PROC_LOCK_MAIN|ERTS_PROC_LOCK_LINK, BIF_P,
+ am_link, port->common.id);
+
erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_LINK);
erts_port_release(port);
@@ -340,8 +344,7 @@ BIF_RETTYPE erts_internal_port_close_1(BIF_ALIST_1)
if (!prt)
BIF_RET(am_badarg);
-
- switch (erts_port_exit(BIF_P, 0, prt, prt->common.id, am_normal, &ref)) {
+ switch (erts_port_exit(BIF_P, 0, prt, BIF_P->common.id, am_normal, &ref)) {
case ERTS_PORT_OP_CALLER_EXIT:
case ERTS_PORT_OP_BADARG:
case ERTS_PORT_OP_DROPPED:
@@ -374,7 +377,7 @@ BIF_RETTYPE erts_internal_port_connect_2(BIF_ALIST_2)
ref = NIL;
#endif
- switch (erts_port_connect(BIF_P, 0, prt, prt->common.id, BIF_ARG_2, &ref)) {
+ switch (erts_port_connect(BIF_P, 0, prt, BIF_P->common.id, BIF_ARG_2, &ref)) {
case ERTS_PORT_OP_CALLER_EXIT:
case ERTS_PORT_OP_BADARG:
case ERTS_PORT_OP_DROPPED:
@@ -929,21 +932,22 @@ open_port(Process* p, Eterm name, Eterm settings, int *err_typep, int *err_nump)
DTRACE3(port_open, process_str, name_buf, port_str);
}
#endif
+
+ if (port && IS_TRACED_FL(port, F_TRACE_PORTS))
+ trace_port(port, am_getting_linked, p->common.id);
+
erts_smp_proc_lock(p, ERTS_PROC_LOCK_MAIN);
+ if (IS_TRACED_FL(p, F_TRACE_SCHED_PROCS)) {
+ trace_sched(p, ERTS_PROC_LOCK_MAIN, am_in);
+ }
+
if (!port) {
DEBUGF(("open_driver returned (%d:%d)\n",
err_typep ? *err_typep : 4711,
err_nump ? *err_nump : 4711));
- if (IS_TRACED_FL(p, F_TRACE_SCHED_PROCS)) {
- trace_sched(p, ERTS_PROC_LOCK_MAIN, am_in);
- }
goto do_return;
}
-
- if (IS_TRACED_FL(p, F_TRACE_SCHED_PROCS)) {
- trace_sched(p, ERTS_PROC_LOCK_MAIN, am_in);
- }
if (linebuf && port->linebuf == NULL){
port->linebuf = allocate_linebuf(linebuf);
diff --git a/erts/emulator/beam/erl_bif_trace.c b/erts/emulator/beam/erl_bif_trace.c
index 049899211f..7e2fe7fcd4 100644
--- a/erts/emulator/beam/erl_bif_trace.c
+++ b/erts/emulator/beam/erl_bif_trace.c
@@ -487,7 +487,8 @@ start_trace(Process *c_p, ErtsTracer tracer,
&& !ERTS_TRACER_COMPARE(ERTS_TRACER(port), tracer)) {
/* This tracee is already being traced, and not by the
* tracer to be */
- if (erts_is_tracer_proc_enabled(c_p, ERTS_PROC_LOCKS_ALL, common)) {
+ if (erts_is_tracer_proc_enabled(c_p, ERTS_PROC_LOCKS_ALL,
+ common, am_trace_status)) {
/* The tracer is still in use */
return 1;
}
@@ -654,18 +655,27 @@ Eterm erts_internal_trace_3(BIF_ALIST_3)
}
#endif
- if (pid_spec == am_all || pid_spec == am_existing) {
+ if (pid_spec == am_all || pid_spec == am_existing ||
+ pid_spec == am_ports || pid_spec == am_processes ||
+ pid_spec == am_existing_ports || pid_spec == am_existing_processes
+ ) {
int i;
int procs = 0;
int ports = 0;
int mods = 0;
if (mask & (ERTS_PROC_TRACEE_FLAGS & ~ERTS_TRACEE_MODIFIER_FLAGS))
- procs = 1;
+ procs = pid_spec != am_ports && pid_spec != am_existing_ports;
if (mask & (ERTS_PORT_TRACEE_FLAGS & ~ERTS_TRACEE_MODIFIER_FLAGS))
- ports = 1;
- if (mask & ERTS_TRACEE_MODIFIER_FLAGS)
- mods = 1;
+ ports = pid_spec != am_processes && pid_spec != am_existing_processes;
+ if (mask & ERTS_TRACEE_MODIFIER_FLAGS) {
+ if (pid_spec == am_ports || pid_spec == am_existing_ports)
+ ports = 1;
+ else if (pid_spec == am_processes || pid_spec == am_existing_processes)
+ procs = 1;
+ else
+ mods = 1;
+ }
#ifdef ERTS_SMP
erts_smp_proc_unlock(p, ERTS_PROC_LOCK_MAIN);
@@ -697,17 +707,25 @@ Eterm erts_internal_trace_3(BIF_ALIST_3)
if (state & ERTS_PORT_SFLGS_DEAD)
continue;
start_trace(p, tracer, &tracee_port->common, on, mask);
- /* matches are not counted for ports since it would violate compatibility */
- /* This could be a reason to modify this function or make a new one. */
+ matches++;
}
}
}
- if (pid_spec == am_all || pid_spec == am_new) {
- Uint def_flags = mask;
+ if (pid_spec == am_all || pid_spec == am_new
+ || pid_spec == am_ports || pid_spec == am_processes
+ || pid_spec == am_new_ports || pid_spec == am_new_processes
+ ) {
ok = 1;
- erts_change_default_tracing(on, &def_flags, tracer);
+ if (mask & ERTS_PROC_TRACEE_FLAGS &&
+ pid_spec != am_ports && pid_spec != am_new_ports)
+ erts_change_default_proc_tracing(
+ on, mask & ERTS_PROC_TRACEE_FLAGS, tracer);
+ if (mask & ERTS_PORT_TRACEE_FLAGS &&
+ pid_spec != am_processes && pid_spec != am_new_processes)
+ erts_change_default_port_tracing(
+ on, mask & ERTS_PORT_TRACEE_FLAGS, tracer);
#ifdef HAVE_ERTS_NOW_CPU
if (cpu_ts && !on) {
@@ -773,7 +791,7 @@ Eterm trace_info_2(BIF_ALIST_2)
if (What == am_on_load) {
res = trace_info_on_load(p, Key);
- } else if (is_atom(What) || is_pid(What)) {
+ } else if (is_atom(What) || is_pid(What) || is_port(What)) {
res = trace_info_pid(p, What, Key);
} else if (is_tuple(What)) {
res = trace_info_func(p, What, Key);
@@ -792,11 +810,32 @@ trace_info_pid(Process* p, Eterm pid_spec, Eterm key)
Uint trace_flags = am_false;
Eterm* hp;
- if (pid_spec == am_new) {
+ if (pid_spec == am_new || pid_spec == am_new_processes) {
+ ErtsTracer def_tracer;
+ erts_get_default_proc_tracing(&trace_flags, &def_tracer);
+ tracer = erts_tracer_to_term(p, def_tracer);
+ ERTS_TRACER_CLEAR(&def_tracer);
+ } else if (pid_spec == am_new_ports) {
ErtsTracer def_tracer;
- erts_get_default_tracing(&trace_flags, &def_tracer);
+ erts_get_default_port_tracing(&trace_flags, &def_tracer);
tracer = erts_tracer_to_term(p, def_tracer);
ERTS_TRACER_CLEAR(&def_tracer);
+ } else if (is_internal_port(pid_spec)) {
+ Port *tracee;
+ tracee = erts_id2port_sflgs(pid_spec, p, ERTS_PROC_LOCK_MAIN,
+ ERTS_PORT_SFLGS_INVALID_LOOKUP);
+
+ if (!tracee)
+ return am_undefined;
+
+ if (!ERTS_TRACER_IS_NIL(ERTS_TRACER(tracee)))
+ erts_is_tracer_proc_enabled(NULL, 0, &tracee->common, am_trace_status);
+
+ tracer = erts_tracer_to_term(p, ERTS_TRACER(tracee));
+ trace_flags = ERTS_TRACE_FLAGS(tracee);
+
+ erts_port_release(tracee);
+
} else if (is_internal_pid(pid_spec)) {
Process *tracee;
tracee = erts_pid2proc(p, ERTS_PROC_LOCK_MAIN,
@@ -806,7 +845,8 @@ trace_info_pid(Process* p, Eterm pid_spec, Eterm key)
return am_undefined;
if (!ERTS_TRACER_IS_NIL(ERTS_TRACER(tracee)))
- erts_is_tracer_proc_enabled(tracee, ERTS_PROC_LOCK_MAIN, &tracee->common);
+ erts_is_tracer_proc_enabled(tracee, ERTS_PROC_LOCK_MAIN,
+ &tracee->common, am_trace_status);
tracer = erts_tracer_to_term(p, ERTS_TRACER(tracee));
trace_flags = ERTS_TRACE_FLAGS(tracee);
diff --git a/erts/emulator/beam/erl_message.c b/erts/emulator/beam/erl_message.c
index 1cb02ec274..9beff52835 100644
--- a/erts/emulator/beam/erl_message.c
+++ b/erts/emulator/beam/erl_message.c
@@ -596,7 +596,7 @@ erts_try_alloc_message_on_heap(Process *pp,
#if defined(ERTS_SMP)
*plp & ERTS_PROC_LOCK_MAIN
#else
- 1
+ pp
#endif
) {
#ifdef ERTS_SMP
@@ -626,7 +626,7 @@ erts_try_alloc_message_on_heap(Process *pp,
*on_heap_p = !0;
}
#ifdef ERTS_SMP
- else if (erts_smp_proc_trylock(pp, ERTS_PROC_LOCK_MAIN) == 0) {
+ else if (pp && erts_smp_proc_trylock(pp, ERTS_PROC_LOCK_MAIN) == 0) {
locked_main = 1;
*psp = erts_smp_atomic32_read_nob(&pp->state);
*plp |= ERTS_PROC_LOCK_MAIN;
@@ -1488,7 +1488,7 @@ erts_factory_message_create(ErtsHeapFactory* factory,
int on_heap;
erts_aint32_t state;
- state = erts_smp_atomic32_read_nob(&proc->state);
+ state = proc ? erts_smp_atomic32_read_nob(&proc->state) : 0;
if (state & ERTS_PSFLG_OFF_HEAP_MSGQ) {
msgp = erts_alloc_message(sz, &hp);
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index f35c08450c..59a2b20ff2 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -417,6 +417,7 @@ enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
? erts_proc_lookup(receiver)
: erts_pid2proc_opt(c_p, ERTS_PROC_LOCK_MAIN,
receiver, rp_locks, ERTS_P2P_FLG_INC_REFC));
+
if (rp == NULL) {
ASSERT(env == NULL || receiver != c_p->common.id);
return 0;
@@ -450,9 +451,17 @@ enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
}
if (!env || !env->tracee) {
- erts_queue_message(rp, &rp_locks, mp, msg);
+
+ if (c_p && IS_TRACED_FL(c_p, F_TRACE_SEND))
+ trace_send(c_p, receiver, msg);
+
+#ifndef ERTS_SMP
}
+#endif
+
+ erts_queue_message(rp, &rp_locks, mp, msg);
#ifdef ERTS_SMP
+ }
else {
/* This clause is taken when the nif is called in the context
of a traced process. We do not know which locks we have
@@ -548,6 +557,9 @@ enif_port_command(ErlNifEnv *env, const ErlNifPort* to_port,
if (!prt)
return 0;
+ if (IS_TRACED_FL(prt, F_TRACE_RECEIVE))
+ trace_port_receive(prt, env->proc->common.id, am_command, msg);
+
return erts_port_output_async(prt, env->proc->common.id, msg);
}
diff --git a/erts/emulator/beam/erl_port.h b/erts/emulator/beam/erl_port.h
index 59aa034f48..c2588e718d 100644
--- a/erts/emulator/beam/erl_port.h
+++ b/erts/emulator/beam/erl_port.h
@@ -944,7 +944,7 @@ erts_schedule_proc2port_signal(Process *,
ErtsPortTaskHandle *,
ErtsProc2PortSigCallback);
-int erts_deliver_port_exit(Port *, Eterm, Eterm, int);
+int erts_deliver_port_exit(Port *, Eterm, Eterm, int, int);
/*
* Port signal flags
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c
index 30ce181ebb..3102e44c11 100644
--- a/erts/emulator/beam/erl_port_task.c
+++ b/erts/emulator/beam/erl_port_task.c
@@ -1766,6 +1766,8 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
if (!(state & ERTS_PORT_SFLGS_DEAD)) {
DTRACE_DRIVER(driver_timeout, pp);
LTTNG_DRIVER(driver_timeout, pp);
+ if (IS_TRACED_FL(pp, F_TRACE_RECEIVE))
+ trace_port(pp, am_receive, am_timeout);
(*pp->drv_ptr->timeout)((ErlDrvData) pp->drv_data);
}
}
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index e7d0d127e2..1398bc9c61 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -2312,7 +2312,7 @@ handle_reap_ports(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting)
ERTS_PORT_SFLG_HALT);
erts_smp_atomic32_inc_nob(&erts_halt_progress);
if (!(state & (ERTS_PORT_SFLG_EXITING|ERTS_PORT_SFLG_CLOSING)))
- erts_deliver_port_exit(prt, prt->common.id, am_killed, 0);
+ erts_deliver_port_exit(prt, prt->common.id, am_killed, 0, 1);
}
erts_port_release(prt);
@@ -11103,7 +11103,7 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
: STORE_NC(&p->htop, &p->off_heap, parent->group_leader);
}
- erts_get_default_tracing(&ERTS_TRACE_FLAGS(p), &ERTS_TRACER(p));
+ erts_get_default_proc_tracing(&ERTS_TRACE_FLAGS(p), &ERTS_TRACER(p));
p->msg.first = NULL;
p->msg.last = &p->msg.first;
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 8261ae28f8..61acf5924b 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -1409,12 +1409,14 @@ extern int erts_system_profile_ts_type;
| F_TRACE_SCHED_PORTS | F_TRACE_SCHED_NO \
| F_TRACE_SCHED_EXIT)
+
#define ERTS_TRACEE_MODIFIER_FLAGS \
- (F_TRACE_SILENT | F_TIMESTAMP_MASK | F_TRACE_SCHED_NO)
-#define ERTS_PORT_TRACEE_FLAGS \
- (ERTS_TRACEE_MODIFIER_FLAGS | F_TRACE_PORTS | F_TRACE_SCHED_PORTS)
+ (F_TRACE_SILENT | F_TIMESTAMP_MASK | F_TRACE_SCHED_NO \
+ | F_TRACE_RECEIVE | F_TRACE_SEND)
+#define ERTS_PORT_TRACEE_FLAGS \
+ (ERTS_TRACEE_MODIFIER_FLAGS | F_TRACE_PORTS | F_TRACE_SCHED_PORTS)
#define ERTS_PROC_TRACEE_FLAGS \
- ((TRACEE_FLAGS & ~ERTS_PORT_TRACEE_FLAGS) | ERTS_TRACEE_MODIFIER_FLAGS)
+ ((TRACEE_FLAGS & ~ERTS_PORT_TRACEE_FLAGS) | ERTS_TRACEE_MODIFIER_FLAGS)
#define SEQ_TRACE_FLAG(N) (1 << (ERTS_TRACE_TS_TYPE_BITS + (N)))
@@ -2326,14 +2328,17 @@ erts_alloc_message_heap_state(Process *pp,
ErlOffHeap **ohpp)
{
int on_heap;
+ ErtsMessage *mp;
if ((*psp) & ERTS_PSFLG_OFF_HEAP_MSGQ) {
- ErtsMessage *mp = erts_alloc_message(sz, hpp);
+ mp = erts_alloc_message(sz, hpp);
*ohpp = sz == 0 ? NULL : &mp->hfrag.off_heap;
return mp;
}
- return erts_try_alloc_message_on_heap(pp, psp, plp, sz, hpp, ohpp, &on_heap);
+ mp = erts_try_alloc_message_on_heap(pp, psp, plp, sz, hpp, ohpp, &on_heap);
+ ASSERT(pp || !on_heap);
+ return mp;
}
ERTS_GLB_INLINE ErtsMessage *
@@ -2343,7 +2348,7 @@ erts_alloc_message_heap(Process *pp,
Eterm **hpp,
ErlOffHeap **ohpp)
{
- erts_aint32_t state = erts_smp_atomic32_read_nob(&pp->state);
+ erts_aint32_t state = pp ? erts_smp_atomic32_read_nob(&pp->state) : 0;
return erts_alloc_message_heap_state(pp, &state, plp, sz, hpp, ohpp);
}
diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c
index 1e6ae8c82e..5ba58e9350 100644
--- a/erts/emulator/beam/erl_trace.c
+++ b/erts/emulator/beam/erl_trace.c
@@ -52,8 +52,10 @@
Export exp_send, exp_receive, exp_timeout;
static ErtsTracer system_seq_tracer;
-static Uint default_trace_flags;
-static ErtsTracer default_tracer;
+static Uint default_proc_trace_flags;
+static ErtsTracer default_proc_tracer;
+static Uint default_port_trace_flags;
+static ErtsTracer default_port_tracer;
static Eterm system_monitor;
static Eterm system_profile;
@@ -327,8 +329,10 @@ void erts_init_trace(void) {
erts_bif_trace_init();
erts_system_monitor_clear(NULL);
erts_system_profile_clear(NULL);
- default_trace_flags = F_INITIAL_TRACE_FLAGS;
- default_tracer = erts_tracer_nil;
+ default_proc_trace_flags = F_INITIAL_TRACE_FLAGS;
+ default_proc_tracer = erts_tracer_nil;
+ default_port_trace_flags = F_INITIAL_TRACE_FLAGS;
+ default_port_tracer = erts_tracer_nil;
system_seq_tracer = erts_tracer_nil;
#ifdef ERTS_SMP
init_sys_msg_dispatcher();
@@ -456,56 +460,111 @@ erts_get_system_seq_tracer(void)
}
static ERTS_INLINE void
-get_default_tracing(Uint *flagsp, ErtsTracer *tracerp)
+get_default_tracing(Uint *flagsp, ErtsTracer *tracerp,
+ Uint *default_trace_flags,
+ ErtsTracer *default_tracer)
{
- if (!(default_trace_flags & TRACEE_FLAGS))
- ERTS_TRACER_CLEAR(&default_tracer);
+ if (!(*default_trace_flags & TRACEE_FLAGS))
+ ERTS_TRACER_CLEAR(default_tracer);
- if (ERTS_TRACER_IS_NIL(default_tracer)) {
- default_trace_flags &= ~TRACEE_FLAGS;
+ if (ERTS_TRACER_IS_NIL(*default_tracer)) {
+ *default_trace_flags &= ~TRACEE_FLAGS;
} else {
Eterm nif_result = call_enabled_tracer(
- NULL, default_tracer, NULL,
+ NULL, *default_tracer, NULL,
am_trace_status, am_undefined);
switch (nif_result) {
case am_trace: break;
- default:
- default_trace_flags &= ~TRACEE_FLAGS;
- ERTS_TRACER_CLEAR(&default_tracer);
+ default: {
+ ErtsTracer curr_default_tracer = *default_tracer;
+ if (tracerp) {
+ /* we only have a rlock, so we have to unlock and then rwlock */
+ erts_smp_rwmtx_runlock(&sys_trace_rwmtx);
+ erts_smp_rwmtx_rwlock(&sys_trace_rwmtx);
+ }
+ /* check if someone else changed default tracer
+ while we got the write lock, if so we don't do
+ anything. */
+ if (curr_default_tracer == *default_tracer) {
+ *default_trace_flags &= ~TRACEE_FLAGS;
+ ERTS_TRACER_CLEAR(default_tracer);
+ }
+ if (tracerp) {
+ erts_smp_rwmtx_rwunlock(&sys_trace_rwmtx);
+ erts_smp_rwmtx_rlock(&sys_trace_rwmtx);
+ }
+ }
}
}
if (flagsp)
- *flagsp = default_trace_flags;
+ *flagsp = *default_trace_flags;
if (tracerp) {
- erts_tracer_update(tracerp,default_tracer);
+ erts_tracer_update(tracerp,*default_tracer);
}
}
+static ERTS_INLINE void
+erts_change_default_tracing(int setflags, Uint flags,
+ const ErtsTracer tracer,
+ Uint *default_trace_flags,
+ ErtsTracer *default_tracer)
+{
+ if (setflags)
+ *default_trace_flags |= flags;
+ else
+ *default_trace_flags &= ~flags;
+
+ erts_tracer_update(default_tracer, tracer);
+
+ get_default_tracing(NULL, NULL, default_trace_flags, default_tracer);
+}
+
void
-erts_change_default_tracing(int setflags, Uint *flagsp,
- const ErtsTracer tracer)
+erts_change_default_proc_tracing(int setflags, Uint flagsp,
+ const ErtsTracer tracer)
{
erts_smp_rwmtx_rwlock(&sys_trace_rwmtx);
- if (flagsp) {
- if (setflags)
- default_trace_flags |= *flagsp;
- else
- default_trace_flags &= ~(*flagsp);
- }
-
- erts_tracer_update(&default_tracer, tracer);
+ erts_change_default_tracing(
+ setflags, flagsp, tracer,
+ &default_proc_trace_flags,
+ &default_proc_tracer);
+ erts_smp_rwmtx_rwunlock(&sys_trace_rwmtx);
+}
- get_default_tracing(flagsp, NULL);
+void
+erts_change_default_port_tracing(int setflags, Uint flagsp,
+ const ErtsTracer tracer)
+{
+ erts_smp_rwmtx_rwlock(&sys_trace_rwmtx);
+ erts_change_default_tracing(
+ setflags, flagsp, tracer,
+ &default_port_trace_flags,
+ &default_port_tracer);
erts_smp_rwmtx_rwunlock(&sys_trace_rwmtx);
}
void
-erts_get_default_tracing(Uint *flagsp, ErtsTracer *tracerp)
+erts_get_default_proc_tracing(Uint *flagsp, ErtsTracer *tracerp)
+{
+ erts_smp_rwmtx_rlock(&sys_trace_rwmtx);
+ *tracerp = erts_tracer_nil; /* initialize */
+ get_default_tracing(
+ flagsp, tracerp,
+ &default_proc_trace_flags,
+ &default_proc_tracer);
+ erts_smp_rwmtx_runlock(&sys_trace_rwmtx);
+}
+
+void
+erts_get_default_port_tracing(Uint *flagsp, ErtsTracer *tracerp)
{
erts_smp_rwmtx_rlock(&sys_trace_rwmtx);
*tracerp = erts_tracer_nil; /* initialize */
- get_default_tracing(flagsp, tracerp);
+ get_default_tracing(
+ flagsp, tracerp,
+ &default_port_trace_flags,
+ &default_port_tracer);
erts_smp_rwmtx_runlock(&sys_trace_rwmtx);
}
@@ -710,9 +769,7 @@ trace_send(Process *p, Eterm to, Eterm msg)
Eterm operation = am_send;
ErtsTracerNif *tnif = NULL;
- if (!ARE_TRACE_FLAGS_ON(p, F_TRACE_SEND)) {
- return;
- }
+ ASSERT(ARE_TRACE_FLAGS_ON(p, F_TRACE_SEND));
if (is_internal_pid(to)) {
if (!erts_proc_lookup(to))
@@ -720,10 +777,8 @@ trace_send(Process *p, Eterm to, Eterm msg)
}
else if(is_external_pid(to)
&& external_pid_dist_entry(to) == erts_this_dist_entry) {
- char *s;
send_to_non_existing_process:
- s = "send_to_non_existing_process";
- operation = am_atom_put(s, sys_strlen(s));
+ operation = am_send_to_non_existing_process;
}
if (is_tracer_proc_enabled(p, ERTS_PROC_LOCK_MAIN, &p->common, &tnif, operation))
@@ -1666,9 +1721,11 @@ profile_scheduler_q(Eterm scheduler_id, Eterm state, Eterm no_schedulers, Uint M
void
trace_port_open(Port *p, Eterm calling_pid, Eterm drv_name) {
-
- send_to_tracer_nif(NULL, &p->common, calling_pid, NULL, am_open,
- p->common.id, drv_name);
+ ErtsTracerNif *tnif = NULL;
+ ERTS_SMP_CHK_NO_PROC_LOCKS;
+ if (is_tracer_proc_enabled(NULL, 0, &p->common, &tnif, am_open))
+ send_to_tracer_nif(NULL, &p->common, p->common.id, tnif, am_open,
+ calling_pid, drv_name);
}
/* Sends trace message:
@@ -1681,10 +1738,208 @@ trace_port_open(Port *p, Eterm calling_pid, Eterm drv_name) {
void
trace_port(Port *t_p, Eterm what, Eterm data) {
+ ErtsTracerNif *tnif = NULL;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p)
|| erts_thr_progress_is_blocking());
- send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, NULL,
- am_open, data, THE_NON_VALUE);
+ ERTS_SMP_CHK_NO_PROC_LOCKS;
+ if (is_tracer_proc_enabled(NULL, 0, &t_p->common, &tnif, what))
+ send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif,
+ what, data, THE_NON_VALUE);
+}
+
+
+static Eterm
+trace_port_tmp_binary(char *bin, Sint sz, Binary **bptrp, Eterm **hp)
+{
+ if (sz <= ERL_ONHEAP_BIN_LIMIT) {
+ ErlHeapBin *hb = (ErlHeapBin *)*hp;
+ hb->thing_word = header_heap_bin(sz);
+ hb->size = sz;
+ sys_memcpy(hb->data, bin, sz);
+ *hp += heap_bin_size(sz);
+ return make_binary(hb);
+ } else {
+ ProcBin* pb = (ProcBin *)*hp;
+ Binary *bptr = erts_bin_nrml_alloc(sz);
+ erts_refc_init(&bptr->refc, 1);
+ sys_memcpy(bptr->orig_bytes, bin, sz);
+ pb->thing_word = HEADER_PROC_BIN;
+ pb->size = sz;
+ pb->next = NULL;
+ pb->val = bptr;
+ pb->bytes = (byte*) bptr->orig_bytes;
+ pb->flags = 0;
+ *bptrp = bptr;
+ *hp += PROC_BIN_SIZE;
+ return make_binary(pb);
+ }
+}
+
+/* Sends trace message:
+ * {trace, PortPid, 'receive', {pid(), {command, iolist()}}}
+ * {trace, PortPid, 'receive', {pid(), {control, pid()}}}
+ * {trace, PortPid, 'receive', {pid(), exit}}
+ *
+ */
+void
+trace_port_receive(Port *t_p, Eterm caller, Eterm what, ...)
+{
+ ErtsTracerNif *tnif = NULL;
+ ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p)
+ || erts_thr_progress_is_blocking());
+ ERTS_SMP_CHK_NO_PROC_LOCKS;
+ if (is_tracer_proc_enabled(NULL, 0, &t_p->common, &tnif, am_receive)) {
+ /* We can use a stack heap here, as the nif is called in the
+ context of a port */
+#define LOCAL_HEAP_SIZE (3 + 3 + heap_bin_size(ERL_ONHEAP_BIN_LIMIT) + 3)
+ DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE);
+
+ Eterm *hp, data, *orig_hp = NULL;
+ Binary *bptr = NULL;
+ va_list args;
+ UseTmpHeapNoproc(LOCAL_HEAP_SIZE);
+ hp = local_heap;
+
+ if (what == am_close) {
+ data = what;
+ } else {
+ Eterm arg;
+ va_start(args, what);
+ if (what == am_command) {
+ char *bin = va_arg(args, char *);
+ Sint sz = va_arg(args, Sint);
+ va_end(args);
+ arg = trace_port_tmp_binary(bin, sz, &bptr, &hp);
+ } else if (what == am_call || what == am_control) {
+ unsigned int command = va_arg(args, unsigned int);
+ char *bin = va_arg(args, char *);
+ Sint sz = va_arg(args, Sint);
+ Eterm cmd;
+ va_end(args);
+ arg = trace_port_tmp_binary(bin, sz, &bptr, &hp);
+#if defined(ARCH_32)
+ if (!IS_USMALL(0, command)) {
+ *hp = make_pos_bignum_header(1);
+ BIG_DIGIT(hp, 0) = (Uint)command;
+ cmd = make_big(hp);
+ hp += 2;
+ } else
+#endif
+ {
+ cmd = make_small((Sint)command);
+ }
+ arg = TUPLE2(hp, cmd, arg);
+ hp += 3;
+ } else if (what == am_commandv) {
+ ErlIOVec *evp = va_arg(args, ErlIOVec*);
+ int i;
+ va_end(args);
+ if ((6 + evp->vsize * (2+PROC_BIN_SIZE+ERL_SUB_BIN_SIZE)) > LOCAL_HEAP_SIZE) {
+ hp = erts_alloc(ERTS_ALC_T_TMP,
+ (6 + evp->vsize * (2+PROC_BIN_SIZE+ERL_SUB_BIN_SIZE)) * sizeof(Eterm));
+ orig_hp = hp;
+ }
+ arg = NIL;
+ /* Convert each element in the ErlIOVec to a sub bin that points
+ to a procbin. We don't have to increment the proc bin refc as
+ the port task keeps the reference alive. */
+ for (i = evp->vsize-1; i >= 0; i--) {
+ if (evp->iov[i].iov_len) {
+ ProcBin* pb = (ProcBin*)hp;
+ ErlSubBin *sb;
+ ASSERT(evp->binv[i]);
+ pb->thing_word = HEADER_PROC_BIN;
+ pb->val = ErlDrvBinary2Binary(evp->binv[i]);
+ pb->size = pb->val->orig_size;
+ pb->next = NULL;
+ pb->bytes = (byte*) pb->val->orig_bytes;
+ pb->flags = 0;
+ hp += PROC_BIN_SIZE;
+
+ sb = (ErlSubBin*) hp;
+ sb->thing_word = HEADER_SUB_BIN;
+ sb->size = evp->iov[i].iov_len;
+ sb->offs = (byte*)(evp->iov[i].iov_base) - pb->bytes;
+ sb->orig = make_binary(pb);
+ sb->bitoffs = 0;
+ sb->bitsize = 0;
+ sb->is_writable = 0;
+ hp += ERL_SUB_BIN_SIZE;
+
+ arg = CONS(hp, make_binary(sb), arg);
+ hp += 2;
+ }
+ }
+ what = am_command;
+ } else {
+ arg = va_arg(args, Eterm);
+ va_end(args);
+ }
+ data = TUPLE2(hp, what, arg);
+ hp += 3;
+ }
+
+ data = TUPLE2(hp, caller, data);
+ send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif,
+ am_receive, data, THE_NON_VALUE);
+
+ if (bptr && erts_refc_dectest(&bptr->refc, 1) == 0)
+ erts_bin_free(bptr);
+
+ if (orig_hp)
+ erts_free(ERTS_ALC_T_TMP, orig_hp);
+
+ UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE);
+ }
+#undef LOCAL_HEAP_SIZE
+}
+
+void
+trace_port_send(Port *t_p, Eterm receiver, Eterm msg, int exists)
+{
+ ErtsTracerNif *tnif = NULL;
+ Eterm op = exists ? am_send : am_send_to_non_existing_process;
+ ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p)
+ || erts_thr_progress_is_blocking());
+ ERTS_SMP_CHK_NO_PROC_LOCKS;
+ if (is_tracer_proc_enabled(NULL, 0, &t_p->common, &tnif, op))
+ send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif,
+ op, msg, receiver);
+}
+
+void trace_port_send_binary(Port *t_p, Eterm to, Eterm what, char *bin, Sint sz)
+{
+ ErtsTracerNif *tnif = NULL;
+ ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p)
+ || erts_thr_progress_is_blocking());
+ ERTS_SMP_CHK_NO_PROC_LOCKS;
+ if (is_tracer_proc_enabled(NULL, 0, &t_p->common, &tnif, am_send)) {
+ Eterm msg;
+ Binary* bptr = NULL;
+#define LOCAL_HEAP_SIZE (3 + 3 + heap_bin_size(ERL_ONHEAP_BIN_LIMIT))
+ DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE);
+
+ Eterm *hp;
+
+ ERTS_CT_ASSERT(heap_bin_size(ERL_ONHEAP_BIN_LIMIT) >= PROC_BIN_SIZE);
+ UseTmpHeapNoproc(LOCAL_HEAP_SIZE);
+ hp = local_heap;
+
+ msg = trace_port_tmp_binary(bin, sz, &bptr, &hp);
+
+ msg = TUPLE2(hp, what, msg);
+ hp += 3;
+ msg = TUPLE2(hp, t_p->common.id, msg);
+ hp += 3;
+
+ send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif,
+ am_send, msg, to);
+ if (bptr && erts_refc_dectest(&bptr->refc, 1) == 0)
+ erts_bin_free(bptr);
+
+ UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE);
+#undef LOCAL_HEAP_SIZE
+ }
}
/* Send {trace_ts, Pid, What, {Mod, Func, Arity}, Timestamp}
@@ -1702,9 +1957,13 @@ trace_sched_ports(Port *p, Eterm what) {
void
trace_sched_ports_where(Port *t_p, Eterm what, Eterm where) {
-
- send_to_tracer_nif(NULL, &t_p->common, t_p->common.id,
- NULL, am_open, where, THE_NON_VALUE);
+ ErtsTracerNif *tnif = NULL;
+ ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p)
+ || erts_thr_progress_is_blocking());
+ ERTS_SMP_CHK_NO_PROC_LOCKS;
+ if (is_tracer_proc_enabled(NULL, 0, &t_p->common, &tnif, what))
+ send_to_tracer_nif(NULL, &t_p->common, t_p->common.id,
+ tnif, what, where, THE_NON_VALUE);
}
/* Port profiling */
@@ -2523,7 +2782,7 @@ is_tracer_proc_enabled(Process* c_p, ErtsProcLocks c_p_locks,
}
int erts_is_tracer_proc_enabled(Process* c_p, ErtsProcLocks c_p_locks,
- ErtsPTabElementCommon *t_p)
+ ErtsPTabElementCommon *t_p, Eterm type)
{
return is_tracer_proc_enabled(c_p, c_p_locks, t_p, NULL, am_trace_status);
}
diff --git a/erts/emulator/beam/erl_trace.h b/erts/emulator/beam/erl_trace.h
index 61f82a6b93..0fefd6f70d 100644
--- a/erts/emulator/beam/erl_trace.h
+++ b/erts/emulator/beam/erl_trace.h
@@ -68,9 +68,12 @@ ErtsTracer erts_set_system_seq_tracer(Process *c_p,
ErtsProcLocks c_p_locks,
ErtsTracer new);
ErtsTracer erts_get_system_seq_tracer(void);
-void erts_change_default_tracing(int setflags, Uint *flagsp,
- const ErtsTracer tracerp);
-void erts_get_default_tracing(Uint *flagsp, ErtsTracer *tracerp);
+void erts_change_default_proc_tracing(int setflags, Uint flagsp,
+ const ErtsTracer tracerp);
+void erts_get_default_proc_tracing(Uint *flagsp, ErtsTracer *tracerp);
+void erts_change_default_port_tracing(int setflags, Uint flagsp,
+ const ErtsTracer tracerp);
+void erts_get_default_port_tracing(Uint *flagsp, ErtsTracer *tracerp);
void erts_set_system_monitor(Eterm monitor);
Eterm erts_get_system_monitor(void);
int erts_is_tracer_valid(Process* p);
@@ -106,6 +109,9 @@ void trace_sched_ports(Port *pp, Eterm);
void trace_sched_ports_where(Port *pp, Eterm, Eterm);
void trace_port(Port *, Eterm what, Eterm data);
void trace_port_open(Port *, Eterm calling_pid, Eterm drv_name);
+void trace_port_receive(Port *, Eterm calling_pid, Eterm tag, ...);
+void trace_port_send(Port *, Eterm to, Eterm msg, int exists);
+void trace_port_send_binary(Port *, Eterm to, Eterm what, char *bin, Sint sz);
/* system_profile */
void erts_set_system_profile(Eterm profile);
@@ -177,7 +183,7 @@ int erts_finish_breakpointing(void);
/* Nif tracer functions */
int erts_is_tracer_proc_enabled(Process *c_p, ErtsProcLocks c_p_locks,
- ErtsPTabElementCommon *t_p);
+ ErtsPTabElementCommon *t_p, Eterm type);
int erts_is_tracer_enabled(Process *c_p, const ErtsTracer tracer);
Eterm erts_tracer_to_term(Process *p, ErtsTracer tracer);
ErtsTracer erts_term_to_tracer(Eterm prefix, Eterm term);
@@ -210,6 +216,7 @@ ERTS_DECLARE_DUMMY(erts_tracer_nil) = NIL;
#define ERTS_TRACER_PROC_IS_ENABLED(PROC) \
(!ERTS_TRACER_IS_NIL(ERTS_TRACER(PROC)) \
- && erts_is_tracer_proc_enabled(PROC, ERTS_PROC_LOCK_MAIN, &(PROC)->common))
+ && erts_is_tracer_proc_enabled(PROC, ERTS_PROC_LOCK_MAIN, \
+ &(PROC)->common, am_trace_status))
#endif /* ERL_TRACE_H__ */
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index a35c305046..18cfb1e641 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -88,7 +88,7 @@ int erts_port_parallelism = 0;
static erts_atomic64_t bytes_in;
static erts_atomic64_t bytes_out;
-static void deliver_result(Eterm sender, Eterm pid, Eterm res);
+static void deliver_result(Port *p, Eterm sender, Eterm pid, Eterm res);
static int init_driver(erts_driver_t *, ErlDrvEntry *, DE_Handle *);
static void terminate_port(Port *p);
static void pdl_init(void);
@@ -405,7 +405,7 @@ static Port *create_port(char *name,
prt->os_pid = -1;
/* Set default tracing */
- erts_get_default_tracing(&ERTS_TRACE_FLAGS(prt), &ERTS_TRACER(prt));
+ erts_get_default_port_tracing(&ERTS_TRACE_FLAGS(prt), &ERTS_TRACER(prt));
ERTS_CT_ASSERT(offsetof(Port,common) == 0);
@@ -710,7 +710,7 @@ erts_open_driver(erts_driver_t* driver, /* Pointer to driver. */
if (driver->start) {
ERTS_MSACC_PUSH_STATE_M();
if (IS_TRACED_FL(port, F_TRACE_SCHED_PORTS)) {
- trace_sched_ports_where(port, am_in, am_start);
+ trace_sched_ports_where(port, am_in, am_open);
}
port->caller = pid;
#ifdef USE_VM_PROBES
@@ -754,7 +754,7 @@ erts_open_driver(erts_driver_t* driver, /* Pointer to driver. */
ERTS_MSACC_POP_STATE_M();
port->caller = NIL;
if (IS_TRACED_FL(port, F_TRACE_SCHED_PORTS)) {
- trace_sched_ports_where(port, am_out, am_start);
+ trace_sched_ports_where(port, am_out, am_open);
}
#ifdef ERTS_SMP
if (port->xports)
@@ -1742,6 +1742,10 @@ call_driver_outputv(int bang_op,
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt)
|| ERTS_IS_CRASH_DUMPING);
+
+ if (IS_TRACED_FL(prt, F_TRACE_RECEIVE))
+ trace_port_receive(prt, caller, am_commandv, evp);
+
#ifdef USE_VM_PROBES
if (DTRACE_ENABLED(driver_outputv)) {
DTRACE_FORMAT_COMMON_PID_AND_PORT(caller, prt);
@@ -1868,6 +1872,9 @@ call_driver_output(int bang_op,
}
#endif
+ if (IS_TRACED_FL(prt, F_TRACE_RECEIVE))
+ trace_port_receive(prt, caller, am_command, bufp, size);
+
prt->caller = caller;
(*drv->output)((ErlDrvData) prt->drv_data, bufp, size);
prt->caller = NIL;
@@ -2589,7 +2596,10 @@ call_deliver_port_exit(int bang_op,
return ERTS_PORT_OP_DROPPED;
}
- if (!erts_deliver_port_exit(prt, from, reason, bang_op))
+ if (IS_TRACED_FL(prt, F_TRACE_RECEIVE))
+ trace_port_receive(prt, from, am_close);
+
+ if (!erts_deliver_port_exit(prt, from, reason, bang_op, broken_link))
return ERTS_PORT_OP_DROPPED;
#ifdef USE_VM_PROBES
@@ -2660,13 +2670,13 @@ erts_port_exit(Process *c_p,
ERTS_PORT_SFLGS_INVALID_LOOKUP,
0,
!refp,
- am_exit);
+ am_close);
switch (try_imm_drv_call(&try_call_state)) {
case ERTS_TRY_IMM_DRV_CALL_OK: {
res = call_deliver_port_exit(flags & ERTS_PORT_SIG_FLG_BANG_OP,
- from,
+ c_p ? c_p->common.id : from,
prt,
try_call_state.state,
reason,
@@ -2745,8 +2755,11 @@ set_port_connected(int bang_op,
return ERTS_PORT_OP_DROPPED;
}
+ if (IS_TRACED_FL(prt, F_TRACE_RECEIVE))
+ trace_port_receive(prt, from, am_connect, connect);
+
ERTS_PORT_SET_CONNECTED(prt, connect);
- deliver_result(prt->common.id, from, am_connected);
+ deliver_result(prt, prt->common.id, from, am_connected);
#ifdef USE_VM_PROBES
if(DTRACE_ENABLED(port_command)) {
@@ -2768,10 +2781,22 @@ set_port_connected(int bang_op,
erts_add_link(&ERTS_P_LINKS(rp), LINK_PID, prt->common.id);
erts_add_link(&ERTS_P_LINKS(prt), LINK_PID, connect);
+ if (IS_TRACED_FL(rp, F_TRACE_PROCS))
+ trace_proc(NULL, 0, rp, am_getting_linked, prt->common.id);
+
ERTS_PORT_SET_CONNECTED(prt, connect);
erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_LINK);
+ if (IS_TRACED_FL(prt, F_TRACE_PORTS))
+ trace_port(prt, am_getting_linked, connect);
+ if (IS_TRACED_FL(prt, F_TRACE_RECEIVE))
+ trace_port_receive(prt, from, am_connect, connect);
+ if (IS_TRACED_FL(prt, F_TRACE_SEND)) {
+ Eterm hp[3];
+ trace_port_send(prt, from, TUPLE2(hp, prt->common.id, am_connected), 1);
+ }
+
#ifdef USE_VM_PROBES
if (DTRACE_ENABLED(port_connect)) {
DTRACE_CHARBUF(process_str, DTRACE_TERM_BUF_SIZE);
@@ -2874,8 +2899,11 @@ static void
port_unlink(Port *prt, Eterm from)
{
ErtsLink *lnk = erts_remove_link(&ERTS_P_LINKS(prt), from);
- if (lnk)
+ if (lnk) {
+ if (IS_TRACED_FL(prt, F_TRACE_PORTS))
+ trace_port(prt, am_getting_unlinked, from);
erts_destroy_link(lnk);
+ }
}
static int
@@ -2945,7 +2973,7 @@ port_link_failure(Eterm port_id, Eterm linker)
NIL,
NULL,
0);
- if (xres >= 0 && IS_TRACED_FL(rp, F_TRACE_PROCS)) {
+ if (xres >= 0) {
/* We didn't exit the process and it is traced */
if (IS_TRACED_FL(rp, F_TRACE_PROCS))
trace_proc(NULL, 0, rp, am_getting_unlinked, port_id);
@@ -2959,10 +2987,15 @@ port_link_failure(Eterm port_id, Eterm linker)
static void
port_link(Port *prt, erts_aint32_t state, Eterm to)
{
- if (!(state & ERTS_PORT_SFLGS_INVALID_LOOKUP))
+ if (IS_TRACED_FL(prt, F_TRACE_PORTS))
+ trace_port(prt, am_getting_linked, to);
+ if (!(state & ERTS_PORT_SFLGS_INVALID_LOOKUP)) {
erts_add_link(&ERTS_P_LINKS(prt), LINK_PID, to);
- else
+ } else {
port_link_failure(prt->common.id, to);
+ if (IS_TRACED_FL(prt, F_TRACE_PORTS))
+ trace_port(prt, am_unlink, to);
+ }
}
static int
@@ -2970,8 +3003,13 @@ port_sig_link(Port *prt, erts_aint32_t state, int op, ErtsProc2PortSigData *sigd
{
if (op == ERTS_PROC2PORT_SIG_EXEC)
port_link(prt, state, sigdp->u.link.to);
- else
+ else {
+ if (IS_TRACED_FL(prt, F_TRACE_PORTS))
+ trace_port(prt, am_getting_linked, sigdp->u.link.to);
port_link_failure(sigdp->u.link.port, sigdp->u.link.to);
+ if (IS_TRACED_FL(prt, F_TRACE_PORTS))
+ trace_port(prt, am_unlink, sigdp->u.link.to);
+ }
if (sigdp->flags & ERTS_P2P_SIG_DATA_FLG_REPLY)
port_sched_op_reply(sigdp->caller, sigdp->ref, am_true);
return ERTS_PORT_REDS_LINK;
@@ -3391,7 +3429,7 @@ static int read_linebuf(LineBufContext *bp)
}
static void
-deliver_result(Eterm sender, Eterm pid, Eterm res)
+deliver_result(Port *prt, Eterm sender, Eterm pid, Eterm res)
{
Process *rp;
ErtsProcLocks rp_locks = 0;
@@ -3399,12 +3437,22 @@ deliver_result(Eterm sender, Eterm pid, Eterm res)
ERTS_SMP_CHK_NO_PROC_LOCKS;
+ ASSERT(!prt || prt->common.id == sender);
+#ifdef ERTS_SMP
+ ASSERT(!prt || erts_lc_is_port_locked(prt));
+#endif
+
ASSERT(is_internal_port(sender) && is_internal_pid(pid));
rp = (scheduler
? erts_proc_lookup(pid)
: erts_pid2proc_opt(NULL, 0, pid, 0, ERTS_P2P_FLG_INC_REFC));
+ if (prt && IS_TRACED_FL(prt, F_TRACE_SEND)) {
+ Eterm hp[3];
+ trace_port_send(prt, pid, TUPLE2(hp, sender, res), !!rp);
+ }
+
if (rp) {
Eterm tuple;
ErtsMessage *mp;
@@ -3449,6 +3497,7 @@ static void deliver_read_message(Port* prt, erts_aint32_t state, Eterm to,
ErlOffHeap *ohp;
ErtsProcLocks rp_locks = 0;
int scheduler = erts_get_scheduler_id() != 0;
+ int trace_send = IS_TRACED_FL(prt, F_TRACE_SEND);
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
ERTS_SMP_CHK_NO_PROC_LOCKS;
@@ -3471,7 +3520,7 @@ static void deliver_read_message(Port* prt, erts_aint32_t state, Eterm to,
if (!rp)
return;
- mp = erts_alloc_message_heap(rp, &rp_locks, need, &hp, &ohp);
+ mp = erts_alloc_message_heap(trace_send ? NULL : rp, &rp_locks, need, &hp, &ohp);
listp = NIL;
if ((state & ERTS_PORT_SFLG_BINARY_IO) == 0) {
@@ -3513,6 +3562,9 @@ static void deliver_read_message(Port* prt, erts_aint32_t state, Eterm to,
tuple = TUPLE2(hp, prt->common.id, tuple);
hp += 3;
+ if (trace_send)
+ trace_port_send(prt, to, tuple, 1);
+
ERL_MESSAGE_TOKEN(mp) = am_undefined;
erts_queue_message(rp, &rp_locks, mp, tuple);
if (rp_locks)
@@ -3593,6 +3645,7 @@ deliver_vec_message(Port* prt, /* Port */
ErtsProcLocks rp_locks = 0;
int scheduler = erts_get_scheduler_id() != 0;
erts_aint32_t state;
+ int trace_send = IS_TRACED_FL(prt, F_TRACE_SEND);
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
ERTS_SMP_CHK_NO_PROC_LOCKS;
@@ -3620,7 +3673,7 @@ deliver_vec_message(Port* prt, /* Port */
need += (hlen+csize)*2;
}
- mp = erts_alloc_message_heap(rp, &rp_locks, need, &hp, &ohp);
+ mp = erts_alloc_message_heap(trace_send ? NULL : rp, &rp_locks, need, &hp, &ohp);
listp = NIL;
iov += vsize;
@@ -3681,6 +3734,9 @@ deliver_vec_message(Port* prt, /* Port */
tuple = TUPLE2(hp, prt->common.id, tuple);
hp += 3;
+ if (IS_TRACED_FL(prt, F_TRACE_SEND))
+ trace_port_send(prt, to, tuple, 1);
+
ERL_MESSAGE_TOKEN(mp) = am_undefined;
erts_queue_message(rp, &rp_locks, mp, tuple);
erts_smp_proc_unlock(rp, rp_locks);
@@ -3822,6 +3878,11 @@ terminate_port(Port *prt)
ASSERT(!prt->xports);
#endif
}
+
+ if (is_internal_port(send_closed_port_id)
+ && IS_TRACED_FL(prt, F_TRACE_SEND))
+ trace_port_send(prt, connected_id, am_closed, 1);
+
if(drv->handle != NULL) {
erts_smp_rwmtx_rlock(&erts_driver_list_lock);
erts_ddll_decrement_port_count(drv->handle);
@@ -3853,7 +3914,7 @@ terminate_port(Port *prt)
erts_flush_async_exit(erts_halt_code, "");
}
if (is_internal_port(send_closed_port_id))
- deliver_result(send_closed_port_id, connected_id, am_closed);
+ deliver_result(NULL, send_closed_port_id, connected_id, am_closed);
}
void
@@ -3886,7 +3947,7 @@ static void sweep_one_monitor(ErtsMonitor *mon, void *vpsc)
typedef struct {
- Eterm port;
+ Port *port;
Eterm reason;
} SweepContext;
@@ -3895,10 +3956,13 @@ static void sweep_one_link(ErtsLink *lnk, void *vpsc)
SweepContext *psc = vpsc;
DistEntry *dep;
Process *rp;
-
+ Eterm port_id = psc->port->common.id;
ASSERT(lnk->type == LINK_PID);
-
+
+ if (IS_TRACED_FL(psc->port, F_TRACE_PORTS))
+ trace_port(psc->port, am_unlink, lnk->pid);
+
if (is_external_pid(lnk->pid)) {
dep = external_pid_dist_entry(lnk->pid);
if(dep != erts_this_dist_entry) {
@@ -3911,9 +3975,9 @@ static void sweep_one_link(ErtsLink *lnk, void *vpsc)
case ERTS_DSIG_PREP_NOT_CONNECTED:
break;
case ERTS_DSIG_PREP_CONNECTED:
- erts_remove_dist_link(&dld, psc->port, lnk->pid, dep);
+ erts_remove_dist_link(&dld, port_id, lnk->pid, dep);
erts_destroy_dist_link(&dld);
- code = erts_dsig_send_exit(&dsd, psc->port, lnk->pid,
+ code = erts_dsig_send_exit(&dsd, port_id, lnk->pid,
psc->reason);
ASSERT(code == ERTS_DSIG_SEND_OK);
break;
@@ -3927,23 +3991,25 @@ static void sweep_one_link(ErtsLink *lnk, void *vpsc)
ASSERT(is_internal_pid(lnk->pid));
rp = erts_pid2proc(NULL, 0, lnk->pid, rp_locks);
if (rp) {
- ErtsLink *rlnk = erts_remove_link(&ERTS_P_LINKS(rp), psc->port);
+ ErtsLink *rlnk = erts_remove_link(&ERTS_P_LINKS(rp), port_id);
if (rlnk) {
int xres = erts_send_exit_signal(NULL,
- psc->port,
+ port_id,
rp,
&rp_locks,
psc->reason,
NIL,
NULL,
0);
- if (xres >= 0 && IS_TRACED_FL(rp, F_TRACE_PROCS)) {
+ if (xres >= 0) {
+ if (rp_locks & ERTS_PROC_LOCKS_XSIG_SEND) {
+ erts_smp_proc_unlock(rp, ERTS_PROC_LOCKS_XSIG_SEND);
+ rp_locks &= ~ERTS_PROC_LOCKS_XSIG_SEND;
+ }
/* We didn't exit the process and it is traced */
- if (IS_TRACED_FL(rp, F_TRACE_PROCS)) {
- trace_proc(NULL, 0, rp, am_getting_unlinked,
- psc->port);
- }
+ if (IS_TRACED_FL(rp, F_TRACE_PROCS))
+ trace_proc(NULL, 0, rp, am_getting_unlinked, port_id);
}
erts_destroy_link(rlnk);
}
@@ -3965,7 +4031,8 @@ static void sweep_one_link(ErtsLink *lnk, void *vpsc)
*/
int
-erts_deliver_port_exit(Port *p, Eterm from, Eterm reason, int send_closed)
+erts_deliver_port_exit(Port *p, Eterm from, Eterm reason, int send_closed,
+ int drop_normal)
{
ErtsLink *lnk;
Eterm rreason;
@@ -3995,8 +4062,10 @@ erts_deliver_port_exit(Port *p, Eterm from, Eterm reason, int send_closed)
| ERTS_PORT_SFLG_CLOSING))
return 0;
- if (reason == am_normal && from != ERTS_PORT_GET_CONNECTED(p) && from != p->common.id)
+ if (reason == am_normal && from != ERTS_PORT_GET_CONNECTED(p)
+ && from != p->common.id && drop_normal) {
return 0;
+ }
set_state_flags = ERTS_PORT_SFLG_EXITING;
if (send_closed)
@@ -4007,9 +4076,8 @@ erts_deliver_port_exit(Port *p, Eterm from, Eterm reason, int send_closed)
state = erts_atomic32_read_bor_mb(&p->state, set_state_flags);
state |= set_state_flags;
- if (IS_TRACED_FL(p, F_TRACE_PORTS)) {
+ if (IS_TRACED_FL(p, F_TRACE_PORTS))
trace_port(p, am_closed, reason);
- }
erts_trace_check_exiting(p->common.id);
@@ -4019,7 +4087,7 @@ erts_deliver_port_exit(Port *p, Eterm from, Eterm reason, int send_closed)
(void) erts_unregister_name(NULL, 0, p, p->common.u.alive.reg->name);
{
- SweepContext sc = {p->common.id, rreason};
+ SweepContext sc = {p, rreason};
lnk = ERTS_P_LINKS(p);
ERTS_P_LINKS(p) = NULL;
erts_sweep_links(lnk, &sweep_one_link, &sc);
@@ -4141,7 +4209,10 @@ call_driver_control(Eterm caller,
command, size);
}
#endif
-
+
+ if (IS_TRACED_FL(prt, F_TRACE_RECEIVE))
+ trace_port_receive(prt, caller, am_control, command, bufp, size);
+
ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_PORT);
#ifdef USE_LTTNG_VM_TRACEPOINTS
@@ -4168,6 +4239,9 @@ call_driver_control(Eterm caller,
if (cres < 0)
return ERTS_PORT_OP_BADARG;
+ if (IS_TRACED_FL(prt, F_TRACE_SEND))
+ trace_port_send_binary(prt, caller, am_control, *resp_bufp, cres);
+
*from_size = (ErlDrvSizeT) cres;
return ERTS_PORT_OP_DONE;
@@ -4577,6 +4651,9 @@ call_driver_call(Eterm caller,
}
#endif
+ if (IS_TRACED_FL(prt, F_TRACE_RECEIVE))
+ trace_port_receive(prt, caller, am_call, command, bufp, size);
+
ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_PORT);
prt->caller = caller;
@@ -4595,6 +4672,9 @@ call_driver_call(Eterm caller,
|| ((byte) (*resp_bufp)[0]) != VERSION_MAGIC)
return ERTS_PORT_OP_BADARG;
+ if (IS_TRACED_FL(prt, F_TRACE_SEND))
+ trace_port_send_binary(prt, caller, am_call, *resp_bufp, cres);
+
*from_size = (ErlDrvSizeT) cres;
return ERTS_PORT_OP_DONE;
@@ -5038,6 +5118,7 @@ reply_io_bytes(void *vreq)
eout = erts_bld_uint64(&hp, NULL, out);
msg = TUPLE4(hp, ref, make_small(sched_id), ein, eout);
+
erts_queue_message(rp, &rp_locks, mp, msg);
if (req->sched_id == sched_id)
@@ -5509,6 +5590,7 @@ void driver_report_exit(ErlDrvPort ix, int status)
ErtsProcLocks rp_locks = 0;
int scheduler = erts_get_scheduler_id() != 0;
Port* prt = erts_drvport2port(ix);
+ int trace_send = IS_TRACED_FL(prt, F_TRACE_SEND);
if (prt == ERTS_INVALID_ERL_DRV_PORT)
return;
@@ -5525,12 +5607,15 @@ void driver_report_exit(ErlDrvPort ix, int status)
if (!rp)
return;
- mp = erts_alloc_message_heap(rp, &rp_locks, 3+3, &hp, &ohp);
+ mp = erts_alloc_message_heap(trace_send ? NULL : rp, &rp_locks, 3+3, &hp, &ohp);
tuple = TUPLE2(hp, am_exit_status, make_small(status));
hp += 3;
tuple = TUPLE2(hp, prt->common.id, tuple);
+ if (IS_TRACED_FL(prt, F_TRACE_SEND))
+ trace_port_send(prt, pid, tuple, 1);
+
ERL_MESSAGE_TOKEN(mp) = am_undefined;
erts_queue_message(rp, &rp_locks, mp, tuple);
@@ -5626,13 +5711,13 @@ cleanup_b2t_states(struct b2t_states__ *b2tsp)
*/
static int
-driver_deliver_term(Eterm to, ErlDrvTermData* data, int len)
+driver_deliver_term(Port *prt, Eterm to, ErlDrvTermData* data, int len)
{
#define HEAP_EXTRA 200
#define ERTS_DDT_FAIL do { res = -1; goto done; } while (0)
Uint need = 0;
int depth = 0;
- int res;
+ int res = 0;
ErlDrvTermData* ptr;
ErlDrvTermData* ptr_end;
DECLARE_ESTACK(stack);
@@ -5851,11 +5936,26 @@ driver_deliver_term(Eterm to, ErlDrvTermData* data, int len)
? erts_proc_lookup(to)
: erts_pid2proc_opt(NULL, 0, to, 0, ERTS_P2P_FLG_INC_REFC));
if (!rp) {
- res = 0;
- goto done;
- }
+ if (!prt || !IS_TRACED_FL(prt, F_TRACE_SEND))
+ goto done;
+ if (!erts_is_tracer_proc_enabled(NULL, 0, &prt->common, am_send))
+ goto done;
- (void) erts_factory_message_create(&factory, rp, &rp_locks, need);
+ res = -2;
+
+ /* We allocate a temporary heap to be used to create
+ the message that may be sent using tracing */
+ erts_factory_tmp_init(&factory, erts_alloc(ERTS_ALC_T_DRIVER, need*sizeof(Eterm)),
+ need, ERTS_ALC_T_DRIVER);
+
+ } else {
+ /* We force the creation of a heap fragment (rp == NULL) when send
+ tracing so that we don't have the main lock of the process while
+ tracing */
+ Process *trace_rp = prt && IS_TRACED_FL(prt, F_TRACE_SEND) ? NULL : rp;
+ (void) erts_factory_message_create(&factory, trace_rp, &rp_locks, need);
+ res = 1;
+ }
/*
* Interpret the instructions and build the term.
@@ -6118,23 +6218,40 @@ driver_deliver_term(Eterm to, ErlDrvTermData* data, int len)
ESTACK_PUSH(stack, mess);
}
- res = 1;
-
done:
if (res > 0) {
mess = ESTACK_POP(stack); /* get resulting value */
erts_factory_trim_and_close(&factory, &mess, 1);
+
+ if (prt && IS_TRACED_FL(prt, F_TRACE_SEND))
+ trace_port_send(prt, to, mess, 1);
+
/* send message */
ERL_MESSAGE_TOKEN(factory.message) = am_undefined;
erts_queue_message(rp, &rp_locks, factory.message, mess);
}
+ else if (res == -2) {
+ /* this clause only happens when we were requested to
+ generate a send trace, but the process to send to
+ did not exist any more */
+ mess = ESTACK_POP(stack); /* get resulting value */
+
+ trace_port_send(prt, to, mess, 0);
+
+ erts_factory_trim_and_close(&factory, &mess, 1);
+ erts_free(ERTS_ALC_T_DRIVER, factory.hp_start);
+ res = 0;
+ }
else {
if (b2t.ix > b2t.used)
b2t.used = b2t.ix;
for (b2t.ix = 0; b2t.ix < b2t.used; b2t.ix++)
erts_binary2term_abort(&b2t.state[b2t.ix]);
- erts_factory_undo(&factory);
+ if (factory.mode != FACTORY_CLOSED) {
+ ERL_MESSAGE_TERM(factory.message) = am_undefined;
+ erts_factory_undo(&factory);
+ }
}
if (rp) {
if (rp_locks)
@@ -6150,7 +6267,8 @@ driver_deliver_term(Eterm to, ErlDrvTermData* data, int len)
}
static ERTS_INLINE int
-deliver_term_check_port(ErlDrvTermData port_id, Eterm *connected_p)
+deliver_term_check_port(ErlDrvTermData port_id, Eterm *connected_p,
+ Port **trace_prt)
{
#ifdef ERTS_SMP
ErtsThrPrgrDelayHandle dhndl = erts_thr_progress_unmanaged_delay();
@@ -6178,8 +6296,11 @@ deliver_term_check_port(ErlDrvTermData port_id, Eterm *connected_p)
if (dhndl != ERTS_THR_PRGR_DHANDLE_MANAGED) {
erts_thr_progress_unmanaged_continue(dhndl);
ETHR_MEMBAR(ETHR_LoadLoad|ETHR_LoadStore);
- }
+ } else
#endif
+ {
+ *trace_prt = prt;
+ }
ERTS_SMP_LC_ASSERT(dhndl == ERTS_THR_PRGR_DHANDLE_MANAGED
? erts_lc_is_port_locked(prt)
: !erts_lc_is_port_locked(prt));
@@ -6190,10 +6311,11 @@ int erl_drv_output_term(ErlDrvTermData port_id, ErlDrvTermData* data, int len)
{
/* May be called from arbitrary thread */
Eterm connected;
- int res = deliver_term_check_port(port_id, &connected);
+ Port *prt = NULL;
+ int res = deliver_term_check_port(port_id, &connected, &prt);
if (res <= 0)
return res;
- return driver_deliver_term(connected, data, len);
+ return driver_deliver_term(prt, connected, data, len);
}
/*
@@ -6217,7 +6339,7 @@ driver_output_term(ErlDrvPort drvport, ErlDrvTermData* data, int len)
if (state & ERTS_PORT_SFLG_CLOSING)
return 0;
- return driver_deliver_term(ERTS_PORT_GET_CONNECTED(prt), data, len);
+ return driver_deliver_term(prt, ERTS_PORT_GET_CONNECTED(prt), data, len);
}
int erl_drv_send_term(ErlDrvTermData port_id,
@@ -6226,10 +6348,11 @@ int erl_drv_send_term(ErlDrvTermData port_id,
int len)
{
/* May be called from arbitrary thread */
- int res = deliver_term_check_port(port_id, NULL);
+ Port *prt = NULL;
+ int res = deliver_term_check_port(port_id, NULL, &prt);
if (res <= 0)
return res;
- return driver_deliver_term(to, data, len);
+ return driver_deliver_term(prt, to, data, len);
}
/*
@@ -6248,20 +6371,21 @@ driver_send_term(ErlDrvPort drvport,
* to make this access safe without using a less efficient
* internal data representation for ErlDrvPort.
*/
+ Port* prt = NULL;
ERTS_SMP_CHK_NO_PROC_LOCKS;
#ifdef ERTS_SMP
if (erts_thr_progress_is_managed_thread())
#endif
{
erts_aint32_t state;
- Port* prt = erts_drvport2port_state(drvport, &state);
+ prt = erts_drvport2port_state(drvport, &state);
if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1; /* invalid (dead) */
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
if (state & ERTS_PORT_SFLG_CLOSING)
return 0;
}
- return driver_deliver_term(to, data, len);
+ return driver_deliver_term(prt, to, data, len);
}
@@ -7437,7 +7561,7 @@ driver_failure_term(ErlDrvPort ix, Eterm term, int eof)
if (state & ERTS_PORT_SFLG_CLOSING) {
terminate_port(prt);
} else if (eof && (state & ERTS_PORT_SFLG_SOFT_EOF)) {
- deliver_result(prt->common.id, ERTS_PORT_GET_CONNECTED(prt), am_eof);
+ deliver_result(prt, prt->common.id, ERTS_PORT_GET_CONNECTED(prt), am_eof);
} else {
/* XXX UGLY WORK AROUND, Let erts_deliver_port_exit() terminate the port */
if (prt->port_data_lock)
@@ -7445,7 +7569,7 @@ driver_failure_term(ErlDrvPort ix, Eterm term, int eof)
prt->ioq.size = 0;
if (prt->port_data_lock)
driver_pdl_unlock(prt->port_data_lock);
- erts_deliver_port_exit(prt, prt->common.id, eof ? am_normal : term, 0);
+ erts_deliver_port_exit(prt, prt->common.id, eof ? am_normal : term, 0, 0);
}
return 0;
}
diff --git a/erts/emulator/beam/register.c b/erts/emulator/beam/register.c
index f4a889b8f8..e995dcbd8a 100644
--- a/erts/emulator/beam/register.c
+++ b/erts/emulator/beam/register.c
@@ -538,8 +538,12 @@ int erts_unregister_name(Process *c_p,
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(port));
rp->pt->common.u.alive.reg = NULL;
-
+
if (IS_TRACED_FL(port, F_TRACE_PORTS)) {
+ if (current_c_p_locks) {
+ erts_smp_proc_unlock(c_p, current_c_p_locks);
+ current_c_p_locks = 0;
+ }
trace_port(port, am_unregister, r.name);
}
diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile
index 92182e3890..de395dfb97 100644
--- a/erts/emulator/test/Makefile
+++ b/erts/emulator/test/Makefile
@@ -114,6 +114,7 @@ MODULES= \
tracer_test \
scheduler_SUITE \
old_scheduler_SUITE \
+ port_trace_SUITE \
unique_SUITE \
z_SUITE \
old_mod \
diff --git a/erts/emulator/test/call_trace_SUITE.erl b/erts/emulator/test/call_trace_SUITE.erl
index 2159546054..6ba6301c7c 100644
--- a/erts/emulator/test/call_trace_SUITE.erl
+++ b/erts/emulator/test/call_trace_SUITE.erl
@@ -84,32 +84,46 @@ process_specs(Config) when is_list(Config) ->
{tracer,Tracer} = trace_info(self(), tracer),
trace_func({?MODULE,worker_foo,1}, []),
- %% Test the 'new' flag.
-
- {Work1A,Work1B} = start_and_trace(new, [1,2,3], A1B={3,2,1}),
- {flags,[]} = trace_info(Work1A, flags),
- {tracer,[]} = trace_info(Work1A, tracer),
- {tracer,Tracer} = trace_info(Work1B, tracer),
- {flags,[call]} = trace_info(Work1B, flags),
- expect({trace,Work1B,call,{?MODULE,worker_foo,[A1B]}}),
- unlink(Work1B),
- Mref = erlang:monitor(process, Work1B),
- exit(Work1B, kill),
- receive
- {'DOWN',Mref,_,_,_} -> ok
- end,
- undefined = trace_info(Work1B, flags),
- {flags,[]} = trace_info(new, flags),
- {tracer,[]} = trace_info(new, tracer),
-
- %% Test the 'existing' flag.
- {Work2A,_Work2B} = start_and_trace(existing, A2A=[5,6,7], [7,6,5]),
- expect({trace,Work2A,call,{?MODULE,worker_foo,[A2A]}}),
-
- %% Test the 'all' flag.
- {Work3A,Work3B} = start_and_trace(all, A3A=[12,13], A3B=[13,12]),
- expect({trace,Work3A,call,{?MODULE,worker_foo,[A3A]}}),
- expect({trace,Work3B,call,{?MODULE,worker_foo,[A3B]}}),
+ %% Test the 'new' and 'new_processes' flags.
+
+ New = fun(Flag) ->
+ {Work1A,Work1B} = start_and_trace(Flag, [1,2,3], A1B={3,2,1}),
+ {flags,[]} = trace_info(Work1A, flags),
+ {tracer,[]} = trace_info(Work1A, tracer),
+ {tracer,Tracer} = trace_info(Work1B, tracer),
+ {flags,[call]} = trace_info(Work1B, flags),
+ expect({trace,Work1B,call,{?MODULE,worker_foo,[A1B]}}),
+ unlink(Work1B),
+ Mref = erlang:monitor(process, Work1B),
+ exit(Work1B, kill),
+ receive
+ {'DOWN',Mref,_,_,_} -> ok
+ end,
+ undefined = trace_info(Work1B, flags),
+ {flags,[]} = trace_info(Flag, flags),
+ {tracer,[]} = trace_info(Flag, tracer)
+ end,
+ New(new),
+ New(new_processes),
+
+ %% Test the 'existing' and 'existing_processes' flags.
+ Existing =
+ fun(Flag) ->
+ {Work2A,_Work2B} = start_and_trace(Flag, A2A=[5,6,7], [7,6,5]),
+ expect({trace,Work2A,call,{?MODULE,worker_foo,[A2A]}})
+ end,
+ Existing(existing),
+ Existing(existing_processes),
+
+ %% Test the 'all' and 'processes' flags.
+ All =
+ fun(Flag) ->
+ {Work3A,Work3B} = start_and_trace(Flag, A3A=[12,13], A3B=[13,12]),
+ expect({trace,Work3A,call,{?MODULE,worker_foo,[A3A]}}),
+ expect({trace,Work3B,call,{?MODULE,worker_foo,[A3B]}})
+ end,
+ All(all),
+ All(processes),
ok.
diff --git a/erts/emulator/test/port_trace_SUITE.erl b/erts/emulator/test/port_trace_SUITE.erl
new file mode 100644
index 0000000000..41e8a316c4
--- /dev/null
+++ b/erts/emulator/test/port_trace_SUITE.erl
@@ -0,0 +1,600 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 1999-2012. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+
+-module(port_trace_SUITE).
+
+-export([all/0, suite/0,init_per_suite/1, end_per_suite/1,
+ init_per_group/2,end_per_group/2,
+ init_per_testcase/2,end_per_testcase/2]).
+-export([port_specs/1, ports/1, open_close/1,
+ command/1, control/1, connect/1, call/1,
+ output/1, output2/1, output_binary/1,
+ outputv/1, set_timer/1, failure_eof/1,
+ failure_atom/1, failure_posix/1,
+ failure/1, output_term/1,
+ driver_output_term/1,
+ send_term/1, driver_send_term/1]).
+
+-define(ECHO_DRV_NOOP, 0).
+-define(ECHO_DRV_OUTPUT, 1).
+-define(ECHO_DRV_OUTPUT2, 2).
+-define(ECHO_DRV_OUTPUT_BINARY, 3).
+-define(ECHO_DRV_OUTPUTV, 4).
+-define(ECHO_DRV_SET_TIMER, 5).
+-define(ECHO_DRV_FAILURE_EOF, 6).
+-define(ECHO_DRV_FAILURE_ATOM, 7).
+-define(ECHO_DRV_FAILURE_POSIX, 8).
+-define(ECHO_DRV_FAILURE, 9).
+-define(ECHO_DRV_OUTPUT_TERM, 10).
+-define(ECHO_DRV_DRIVER_OUTPUT_TERM, 11).
+-define(ECHO_DRV_SEND_TERM, 12).
+-define(ECHO_DRV_DRIVER_SEND_TERM, 13).
+-define(ECHO_DRV_SAVE_CALLER, 14).
+
+suite() -> [{ct_hooks,[ts_install_cth]},
+ {timetrap, {seconds, 30}}].
+
+all() ->
+ [port_specs, ports, open_close,
+ command, control, connect, call,
+ output, output2, output_binary,
+ outputv, set_timer, failure_eof,
+ failure_atom, failure_posix,
+ failure, output_term,
+ driver_output_term,
+ send_term, driver_send_term].
+
+init_per_suite(Config) ->
+ Config.
+
+end_per_suite(_Config) ->
+ ok.
+
+init_per_group(_GroupName, Config) ->
+ Config.
+
+end_per_group(_GroupName, Config) ->
+ Config.
+
+
+init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
+ erlang:trace(all, false, [all]),
+ os:unsetenv("OUTPUTV"),
+ reload_drv(Config),
+ Config.
+
+end_per_testcase(_Func, _Config) ->
+ erlang:trace(all, false, [all]),
+ ok.
+
+%% Test the first argument of trace/3
+port_specs(_Config) ->
+
+ S = self(),
+
+ Tracer = fun F() ->
+ receive
+ stop ->
+ ok;
+ M ->
+ S ! M,
+ F()
+ end
+ end,
+
+ Test = fun(TraceSpec, Info1, Info2) ->
+ {TracerPid,Ref} = spawn_monitor(Tracer),
+ Prt1 = erlang:open_port({spawn, echo_drv}, [binary]),
+ erlang:trace(TraceSpec, true, ['receive', {tracer, TracerPid}]),
+ %% We disable trace messages from the testcase process
+ erlang:trace(self(), false, ['receive']),
+ Prt2 = erlang:open_port({spawn, echo_drv}, [binary]),
+
+ InfoCheck =
+ fun(Info, Prt) ->
+ if
+ Info ->
+ {tracer, TracerPid} = erlang:trace_info(Prt, tracer),
+ {flags,['receive']} = erlang:trace_info(Prt, flags);
+ not Info ->
+ {tracer,[]} = erlang:trace_info(Prt, tracer),
+ {flags,[]} = erlang:trace_info(Prt, flags)
+ end
+ end,
+ InfoCheck(Info1, Prt1),
+ InfoCheck(Info2, Prt2),
+
+ %% These may create trace messages
+ erlang:port_command(Prt1, <<?ECHO_DRV_NOOP>>),
+ erlang:port_command(Prt2, <<?ECHO_DRV_NOOP>>),
+
+ %% Test what happens when the tracer dies
+ trace_delivered(),
+ TracerPid ! stop,
+ receive {'DOWN', Ref, process, TracerPid, normal} -> ok end,
+
+ %% These should not generate any trace messages
+ erlang:port_command(Prt1, <<?ECHO_DRV_NOOP>>),
+ erlang:port_command(Prt2, <<?ECHO_DRV_NOOP>>),
+
+ InfoCheck(false, Prt1),
+ InfoCheck(false, Prt2),
+
+ erlang:port_close(Prt1),
+ erlang:port_close(Prt2),
+ erlang:trace(all, false, [all]),
+ {Prt1, Prt2}
+ end,
+
+ {_Prt11, Prt12} = Test(new, false, true),
+ [{trace, Prt12, 'receive', {S, {command,<<?ECHO_DRV_NOOP>>}}}]
+ = flush(Prt12),
+
+ {_Prt21, Prt22} = Test(new_ports, false, true),
+ [{trace, Prt22, 'receive', {S, {command,<<?ECHO_DRV_NOOP>>}}}]
+ = flush(Prt22),
+
+ {Prt31, _Prt32} = Test(existing, true, false),
+ [{trace, Prt31, 'receive', {S, {command,<<?ECHO_DRV_NOOP>>}}}]
+ = flush(Prt31),
+
+ {Prt41, _Prt42} = Test(existing_ports, true, false),
+ [{trace, Prt41, 'receive', {S, {command,<<?ECHO_DRV_NOOP>>}}}]
+ = flush(Prt41),
+
+ {Prt51, Prt52} = Test(all, true, true),
+ [{trace, Prt51, 'receive', {S, {command,<<?ECHO_DRV_NOOP>>}}}]
+ = flush(Prt51),
+ [{trace, Prt52, 'receive', {S, {command,<<?ECHO_DRV_NOOP>>}}}]
+ = flush(Prt52),
+
+ {Prt61, Prt62} = Test(ports, true, true),
+ [{trace, Prt61, 'receive', {S, {command,<<?ECHO_DRV_NOOP>>}}}]
+ = flush(Prt61),
+ [{trace, Prt62, 'receive', {S, {command,<<?ECHO_DRV_NOOP>>}}}]
+ = flush(Prt62),
+
+ ok.
+
+%% Test that the 'ports' trace flag works
+ports(_Config) ->
+
+ {Prt, S} = trace_and_open([ports],[binary]),
+
+ [{trace, Prt, open, S, echo_drv},
+ {trace, Prt, getting_linked, S}] = flush(),
+
+ register(?MODULE, Prt),
+ unregister(?MODULE),
+ register(?MODULE, Prt),
+
+ [{trace,Prt,register,port_trace_SUITE},
+ {trace,Prt,unregister,port_trace_SUITE},
+ {trace,Prt,register,port_trace_SUITE}] = flush(),
+
+ unlink(Prt),
+ link(Prt),
+
+ [{trace,Prt,getting_unlinked,S},
+ {trace,Prt,getting_linked,S}] = flush(),
+
+ erlang:port_close(Prt),
+
+ [{trace,Prt,closed,normal},
+ {trace,Prt,unregister,port_trace_SUITE},
+ {trace,Prt,unlink,S}] = flush(),
+
+ ok.
+
+%% Test that port_close and ! close generate correct trace messages
+open_close(_Config) ->
+
+ S = trace_ports([send,'receive']),
+
+ Prt = erlang:open_port({spawn, echo_drv}, [binary]),
+ erlang:port_close(Prt),
+ [{trace, Prt, 'receive', {S, close}}] = flush(),
+
+ Prt2 = erlang:open_port({spawn, echo_drv}, [binary]),
+ Prt2 ! {S, close},
+ recv({Prt2, closed}),
+ [{trace, Prt2, 'receive', {S, close}},
+ {trace, Prt2, send, closed, S}] = flush(),
+
+ catch erlang:port_close(Prt2),
+ [] = flush(),
+
+ ok.
+
+%% Test that port_command and ! command generate correct trace messages
+command(Config) ->
+
+ Flags = [send,'receive'],
+ S = trace_ports(Flags),
+ Prt = erlang:open_port({spawn, echo_drv}, [binary]),
+
+ erlang:port_command(Prt, <<?ECHO_DRV_NOOP:8>>),
+ [{trace, Prt, 'receive', {S, {command, <<?ECHO_DRV_NOOP:8>>}}}] = flush(),
+
+ erlang:port_command(Prt, [?ECHO_DRV_NOOP, <<0:8>>]),
+ [{trace, Prt, 'receive', {S, {command, <<?ECHO_DRV_NOOP:8,0:8>>}}}] = flush(),
+
+ Prt ! {S, {command, <<?ECHO_DRV_NOOP:8>>}},
+ [{trace, Prt, 'receive', {S, {command, <<?ECHO_DRV_NOOP:8>>}}}] = 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>>],
+
+ erlang:port_command(Prt2, Msg),
+ [{trace, Prt2, 'receive', {S, {command, Msg}}}] = flush(),
+
+ Prt2 ! {S, {command, Msg}},
+ [{trace, Prt2, 'receive', {S, {command, Msg}}}] = flush(),
+
+ close(Prt2, Flags),
+
+ os:unsetenv("OUTPUTV"),
+
+ ok.
+
+%% Test that port_control generate correct trace messages
+control(_Config) ->
+
+ Flags = [send,'receive'],
+ {Prt, S} = trace_and_open(Flags,[binary]),
+
+ [0] = erlang:port_control(Prt, 1, <<?ECHO_DRV_NOOP:8, 0:8>>),
+ [{trace, Prt, 'receive', {S, {control, {1, <<?ECHO_DRV_NOOP:8, 0:8>>}}}},
+ {trace, Prt, send, {Prt, {control, <<0:8>>}}, S}] = flush(),
+
+ [0] = erlang:port_control(Prt, (1 bsl 32) - 1, <<?ECHO_DRV_NOOP:8, 0:8>>),
+ [{trace, Prt, 'receive', {S, {control, {(1 bsl 32) - 1, <<?ECHO_DRV_NOOP:8, 0:8>>}}}},
+ {trace, Prt, send, {Prt, {control, <<0:8>>}}, S}] = flush(),
+
+ close(Prt, Flags),
+
+ ok.
+
+%% Test that port_connect and ! connect generate correct trace messages
+%% This includes that the proper getting_linked messages are sent
+connect(_Config) ->
+
+
+ {Prt, S} = trace_and_open([send, 'receive', ports],[binary]),
+
+ flush(),
+
+ {Pid,Ref} = spawn_monitor(
+ fun() ->
+ receive
+ go ->
+ Prt ! {self(), {connect, S}},
+ receive {Prt, connected} -> unlink(Prt) end
+ end
+ end),
+ erlang:trace(Pid, true, [send, 'receive', procs]),
+
+ erlang:port_connect(Prt, Pid),
+ unlink(Prt),
+
+ [{trace,Prt,getting_linked,Pid},
+ {trace,Prt,'receive',{S,{connect,Pid}}},
+ {trace,Prt,send,{Prt,connected},S},
+ {trace,Prt,getting_unlinked, S}] = flush(Prt),
+
+ [{trace,Pid,getting_linked,Prt}] = flush(),
+
+ Pid ! go,
+ recv({'DOWN',Ref,process,Pid,normal}),
+
+ [{trace,Prt,'receive',{Pid,{connect,S}}},
+ {trace,Prt,send,{Prt,connected},Pid},
+ {trace,Prt,getting_unlinked,Pid}] = flush(Prt),
+
+ [{trace,Pid,'receive',go},
+ {trace,Pid,send,{Pid,{connect,S}}, Prt},
+ {trace,Pid,'receive',{Prt,connected}},
+ {trace,Pid,unlink,Prt},
+ {trace,Pid,exit,normal}] = flush(),
+
+ erlang:port_close(Prt),
+ [{trace, Prt, 'receive', {S, close}},
+ {trace, Prt, closed, normal}] = flush(),
+ ok.
+
+%% Test that port_call generate correct trace messages
+call(_Config) ->
+
+ Flags = [send,'receive'],
+ {Prt, S} = trace_and_open(Flags,[binary]),
+
+ Msg = {hello, world, make_ref()},
+ 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(),
+
+ close(Prt, Flags),
+
+ ok.
+
+%% Test that driver_output generate correct trace messages
+output(_Config) ->
+
+ Flags = [send],
+ {Prt, S} = trace_and_open(Flags,[binary]),
+
+ erlang:port_command(Prt, <<?ECHO_DRV_OUTPUT, 123456:32>>),
+ recv({Prt,{data,<<123456:32>>}}),
+
+ [{trace, Prt, send, {Prt, {data, <<123456:32>>}}, S}] = flush(),
+
+ close(Prt, Flags),
+
+ ok.
+
+%% Test that driver_output2 generate correct trace messages
+output2(_Config) ->
+
+ Flags = [send],
+ {Prt, S} = trace_and_open(Flags,[binary]),
+
+ erlang:port_command(Prt, <<?ECHO_DRV_OUTPUT2, 123456:32>>),
+ recv({Prt,{data,[$a|<<123456:32>>]}}),
+ [{trace, Prt, send, {Prt, {data, [$a|<<123456:32>>]}}, S}] = flush(),
+
+ close(Prt, Flags),
+
+ ok.
+
+%% Test that driver_output_binary generate correct trace messages
+output_binary(_Config) ->
+
+ Flags = [send],
+ {Prt, S} = trace_and_open(Flags,[binary]),
+
+ erlang:port_command(Prt, <<?ECHO_DRV_OUTPUT_BINARY, 0, 123456:32>>),
+ recv({Prt,{data,[$a|<<123456:32>>]}}),
+ [{trace, Prt, send, {Prt, {data, [$a|<<123456:32>>]}}, S}] = flush(),
+
+ close(Prt, Flags),
+
+ ok.
+
+%% Test that driver_outputv generate correct trace messages
+outputv(_Config) ->
+
+ Flags = [send],
+ {Prt, S} = trace_and_open(Flags,[binary]),
+
+ erlang:port_command(Prt, <<?ECHO_DRV_OUTPUTV, 123456:32>>),
+ recv({Prt,{data,[$a|<<123456:32>>]}}),
+
+ [{trace, Prt, send, {Prt, {data, [$a|<<123456:32>>]}}, S}] = flush(),
+
+ erlang:port_close(Prt),
+ [] = flush(),
+
+ ok.
+
+%% Test that driver_set_timer generate correct trace messages
+set_timer(_Config) ->
+
+ Flags = [send,'receive'],
+ {Prt, S} = trace_and_open(Flags,[binary]),
+
+ erlang:port_command(Prt, <<?ECHO_DRV_SET_TIMER>>),
+ timer:sleep(100),
+ [{trace, Prt, 'receive', {S, {command, <<?ECHO_DRV_SET_TIMER>>}}},
+ {trace, Prt, 'receive', timeout}] = flush(),
+
+ close(Prt, Flags),
+
+ ok.
+
+%% Test that driver_failure* generate correct trace messages
+failure_eof(_Config) ->
+
+ Flags = [send,'receive', ports],
+ S = trace_ports(Flags),
+
+ Prt = erlang:open_port({spawn, echo_drv}, [eof, binary]),
+ [{trace, Prt, open, S, echo_drv},
+ {trace, Prt, getting_linked, S}] = flush(),
+
+ erlang:port_command(Prt, <<?ECHO_DRV_FAILURE_EOF>>),
+ recv({Prt,eof}),
+ [{trace, Prt, 'receive', {S, {command, <<?ECHO_DRV_FAILURE_EOF>>}}},
+ {trace, Prt, send, {Prt, eof}, S}] = flush(),
+
+ close(Prt, Flags),
+
+ %% Run same test without eof option
+ failure_test(<<?ECHO_DRV_FAILURE_EOF>>, normal).
+
+failure_atom(_Config) ->
+ failure_test(<<?ECHO_DRV_FAILURE_ATOM, "failure\0">>, failure).
+failure_posix(_Config) ->
+ failure_test(<<?ECHO_DRV_FAILURE_POSIX>>, eagain).
+failure(_Config) ->
+ failure_test(<<?ECHO_DRV_FAILURE, 1>>, 1).
+
+failure_test(Failure, Reason) ->
+
+ {Prt, S} = trace_and_open([send, 'receive', ports],[binary]),
+
+ [{trace, Prt, open, S, echo_drv},
+ {trace, Prt, getting_linked, S}] = flush(),
+
+ process_flag(trap_exit, true),
+ erlang:port_command(Prt, Failure),
+ try
+ recv({'EXIT',Prt,Reason})
+ after
+ process_flag(trap_exit, false)
+ end,
+ [{trace, Prt, 'receive', {S, {command, Failure}}},
+ {trace, Prt, closed, Reason},
+ {trace, Prt, unlink, S}] = flush(),
+
+ ok.
+
+%% Test that erl_drv_output_term generate correct trace messages
+output_term(_Config) ->
+
+ Flags = [send],
+ {Prt, S} = trace_and_open(Flags,[binary]),
+
+ erlang:port_command(Prt, <<?ECHO_DRV_OUTPUT_TERM, 123456:32>>),
+ recv({echo, Prt, <<123456:32>>}),
+ [{trace, Prt, send, {echo, Prt, <<123456:32>>}, S}] = flush(),
+
+ close(Prt, Flags),
+
+ ok.
+
+%% Test that driver_output_term generate correct trace messages
+driver_output_term(_Config) ->
+
+ Flags = [send],
+ {Prt, S} = trace_and_open(Flags,[binary]),
+
+ erlang:port_command(Prt, <<?ECHO_DRV_DRIVER_OUTPUT_TERM, 123456:32>>),
+ recv({echo, Prt, <<123456:32>>}),
+ [{trace, Prt, send, {echo, Prt, <<123456:32>>}, S}] = flush(),
+
+ close(Prt, Flags),
+
+ ok.
+
+%% Test that erl_drv_send_term generate correct trace messages
+send_term(_Config) ->
+
+ Flags = [send],
+ {Prt, S} = trace_and_open(Flags,[binary]),
+
+ erlang:port_command(Prt, <<?ECHO_DRV_SEND_TERM, 123456:32>>),
+ recv({echo, Prt, <<123456:32>>}),
+ [{trace, Prt, send, {echo, Prt, <<123456:32>>}, S}] = flush(),
+
+ {Pid, Ref} = spawn_monitor(fun() -> erlang:port_command(Prt, <<?ECHO_DRV_SAVE_CALLER>>) end),
+ recv({'DOWN',Ref,process,Pid,normal}),
+ erlang:port_command(Prt, <<?ECHO_DRV_SEND_TERM, 123456:32>>),
+ [{trace, Prt, send_to_non_existing_process, {echo, Prt, <<123456:32>>}, Pid}] = flush(),
+
+ close(Prt, Flags),
+
+ ok.
+
+%% Test that driver_send_term generate correct trace messages
+driver_send_term(_Config) ->
+
+ Flags = [send],
+ {Prt, S} = trace_and_open(Flags,[binary]),
+
+ erlang:port_command(Prt, <<?ECHO_DRV_DRIVER_SEND_TERM, 123456:32>>),
+ recv({echo, Prt, <<123456:32>>}),
+ [{trace, Prt, send, {echo, Prt, <<123456:32>>}, S}] = flush(),
+
+ {Pid, Ref} = spawn_monitor(fun() -> erlang:port_command(Prt, <<?ECHO_DRV_SAVE_CALLER>>) end),
+ recv({'DOWN',Ref,process,Pid,normal}),
+ erlang:port_command(Prt, <<?ECHO_DRV_SEND_TERM, 123456:32>>),
+ [{trace, Prt, send_to_non_existing_process, {echo, Prt, <<123456:32>>}, Pid}] = flush(),
+
+ close(Prt, Flags),
+
+ ok.
+
+%%%%%%%%%%%%%%%%%%%
+%% Helper functions
+%%%%%%%%%%%%%%%%%%%
+
+trace_ports(TraceFlags) ->
+ erlang:trace(new_ports, true, TraceFlags),
+ self().
+
+trace_and_open(TraceFlags, OpenFlags) ->
+ S = self(),
+ Ports = proplists:get_value(ports, TraceFlags),
+ [trace_ports(TraceFlags) || Ports],
+ Prt = erlang:open_port({spawn, echo_drv}, OpenFlags),
+ [erlang:trace(Prt, true, TraceFlags) || Ports == undefined],
+ {Prt, S}.
+
+close(Prt, Flags) ->
+ Recv = proplists:get_value('receive', Flags),
+ Ports = proplists:get_value(ports, Flags),
+ S = self(),
+
+ erlang:port_close(Prt),
+
+ if Recv, Ports ->
+ [{trace, Prt, 'receive', {S, close}},
+ {trace, Prt, closed, normal},
+ {trace, Prt, unlink, S}] = flush();
+ Recv ->
+ [{trace, Prt, 'receive', {S, close}}] = flush();
+ Ports ->
+ [{trace, Prt, closed, normal},
+ {trace, Prt, unlink, S}] = flush();
+ true ->
+ [] = flush()
+ end.
+
+trace_delivered() ->
+ Ref = erlang:trace_delivered(all),
+ receive {trace_delivered, all, Ref} -> ok end.
+
+flush() ->
+ flush(all).
+flush(From) ->
+ trace_delivered(),
+ f(From).
+
+f(From) ->
+ receive
+ M when From =:= all; element(2, M) == From ->
+ [M | f(From)]
+ after 0 ->
+ []
+ end.
+
+recv(Msg) ->
+ receive Msg -> ok after 100 -> ct:fail({did_not_get_data,Msg,flush()}) end.
+
+load_drv(Config) ->
+ Path = proplists:get_value(data_dir, Config),
+ case erl_ddll:load_driver(Path, echo_drv) of
+ ok -> ok;
+ {error, Error} = Res ->
+ io:format("~s\n", [erl_ddll:format_error(Error)]),
+ ct:fail(Res)
+ end.
+
+reload_drv(Config) ->
+ erl_ddll:unload_driver(echo_drv),
+ load_drv(Config).
diff --git a/erts/emulator/test/port_trace_SUITE_data/Makefile.src b/erts/emulator/test/port_trace_SUITE_data/Makefile.src
new file mode 100644
index 0000000000..c1bf142ccf
--- /dev/null
+++ b/erts/emulator/test/port_trace_SUITE_data/Makefile.src
@@ -0,0 +1,3 @@
+all: echo_drv@dll@
+
+@SHLIB_RULES@
diff --git a/erts/emulator/test/port_trace_SUITE_data/echo_drv.c b/erts/emulator/test/port_trace_SUITE_data/echo_drv.c
new file mode 100644
index 0000000000..b5728bc170
--- /dev/null
+++ b/erts/emulator/test/port_trace_SUITE_data/echo_drv.c
@@ -0,0 +1,237 @@
+#include <stdio.h>
+#include "erl_driver.h"
+#include <errno.h>
+#include <string.h>
+
+
+/* -------------------------------------------------------------------------
+** Data types
+**/
+
+
+typedef struct _erl_drv_data {
+ ErlDrvPort erlang_port;
+ ErlDrvTermData caller;
+} EchoDrvData;
+
+#define ECHO_DRV_NOOP 0
+#define ECHO_DRV_OUTPUT 1
+#define ECHO_DRV_OUTPUT2 2
+#define ECHO_DRV_OUTPUT_BINARY 3
+#define ECHO_DRV_OUTPUTV 4
+#define ECHO_DRV_SET_TIMER 5
+#define ECHO_DRV_FAILURE_EOF 6
+#define ECHO_DRV_FAILURE_ATOM 7
+#define ECHO_DRV_FAILURE_POSIX 8
+#define ECHO_DRV_FAILURE 9
+#define ECHO_DRV_OUTPUT_TERM 10
+#define ECHO_DRV_DRIVER_OUTPUT_TERM 11
+#define ECHO_DRV_SEND_TERM 12
+#define ECHO_DRV_DRIVER_SEND_TERM 13
+#define ECHO_DRV_SAVE_CALLER 14
+
+
+/* -------------------------------------------------------------------------
+** Entry struct
+**/
+
+static EchoDrvData *echo_drv_start(ErlDrvPort port, char *command);
+static void echo_drv_stop(ErlDrvData drv_data);
+static void echo_drv_output(ErlDrvData drv_data, char *buf,
+ ErlDrvSizeT len);
+static void echo_drv_outputv(ErlDrvData drv_data, ErlIOVec *iov);
+static void echo_drv_finish(void);
+static ErlDrvSSizeT echo_drv_control(ErlDrvData drv_data,
+ unsigned int command,
+ char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen);
+static void echo_drv_timeout(ErlDrvData drv_data);
+static ErlDrvSSizeT echo_drv_call(ErlDrvData drv_data,
+ unsigned int command,
+ char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen,
+ unsigned int *flags);
+
+static ErlDrvEntry echo_drv_entry = {
+ NULL, /* init */
+ echo_drv_start,
+ echo_drv_stop,
+ echo_drv_output,
+ NULL, /* ready_input */
+ NULL, /* ready_output */
+ "echo_drv",
+ echo_drv_finish,
+ NULL, /* handle */
+ echo_drv_control,
+ echo_drv_timeout, /* timeout */
+ NULL, /* outputv */
+ NULL, /* ready_async */
+ NULL, /* flush */
+ echo_drv_call, /* call */
+ NULL, /* event */
+ ERL_DRV_EXTENDED_MARKER,
+ ERL_DRV_EXTENDED_MAJOR_VERSION,
+ ERL_DRV_EXTENDED_MINOR_VERSION,
+ 0,
+ NULL,
+ NULL,
+ NULL
+};
+
+/* -------------------------------------------------------------------------
+** Entry functions
+**/
+
+DRIVER_INIT(echo_drv)
+{
+ char buff[5];
+ size_t size = sizeof(buff);
+
+ if (erl_drv_getenv("OUTPUTV", buff, &size) == -1) {
+ echo_drv_entry.outputv = NULL;
+ } else {
+ echo_drv_entry.outputv = echo_drv_outputv;
+ }
+
+ return &echo_drv_entry;
+}
+
+static EchoDrvData *echo_drv_start(ErlDrvPort port, char *command)
+{
+ EchoDrvData *echo_drv_data_p = driver_alloc(sizeof(EchoDrvData));
+ echo_drv_data_p->erlang_port = port;
+ echo_drv_data_p->caller = driver_caller(port);
+ return echo_drv_data_p;
+}
+
+static void echo_drv_stop(EchoDrvData *data_p) {
+ driver_free(data_p);
+}
+
+static void echo_drv_outputv(ErlDrvData drv_data, ErlIOVec *iov)
+{
+ return;
+}
+
+static void echo_drv_output(ErlDrvData drv_data, char *buf, ErlDrvSizeT len) {
+ EchoDrvData* data_p = (EchoDrvData *) drv_data;
+ ErlDrvPort port = data_p->erlang_port;
+
+ switch (buf[0]) {
+ case ECHO_DRV_OUTPUT:
+ {
+ driver_output(port, buf+1, len-1);
+ break;
+ }
+ case ECHO_DRV_OUTPUT2:
+ {
+ driver_output2(port, "a", 1, buf+1, len-1);
+ break;
+ }
+ case ECHO_DRV_OUTPUT_BINARY:
+ {
+ ErlDrvBinary *bin = driver_alloc_binary(len-1);
+ memcpy(&bin->orig_bytes, buf+1, len-1);
+ driver_output_binary(port, "a", 1, bin, 1, len - 2);
+ driver_free_binary(bin);
+ break;
+ }
+ case ECHO_DRV_OUTPUTV:
+ {
+ ErlIOVec iov;
+ ErlDrvSizeT sz;
+ driver_enq(port, buf + 1, len - 1);
+ sz = driver_peekqv(port, &iov);
+ driver_outputv(port, "a", 1, &iov, 0);
+ driver_deq(port, sz);
+ break;
+ }
+ case ECHO_DRV_SET_TIMER:
+ {
+ driver_set_timer(port, 10);
+ break;
+ }
+ case ECHO_DRV_FAILURE_EOF:
+ {
+ driver_failure_eof(port);
+ break;
+ }
+ case ECHO_DRV_FAILURE_ATOM:
+ {
+ driver_failure_atom(port, buf+1);
+ break;
+ }
+ case ECHO_DRV_FAILURE_POSIX:
+ {
+ driver_failure_posix(port, EAGAIN);
+ break;
+ }
+ case ECHO_DRV_FAILURE:
+ {
+ driver_failure(port, buf[1]);
+ break;
+ }
+ case ECHO_DRV_OUTPUT_TERM:
+ case ECHO_DRV_DRIVER_OUTPUT_TERM:
+ case ECHO_DRV_SEND_TERM:
+ case ECHO_DRV_DRIVER_SEND_TERM:
+ {
+ ErlDrvTermData term[] = {
+ ERL_DRV_ATOM, driver_mk_atom("echo"),
+ ERL_DRV_PORT, driver_mk_port(port),
+ ERL_DRV_BUF2BINARY, (ErlDrvTermData)(buf+1),
+ (ErlDrvTermData)(len - 1),
+ ERL_DRV_TUPLE, 3};
+ switch (buf[0]) {
+ case ECHO_DRV_OUTPUT_TERM:
+ erl_drv_output_term(driver_mk_port(port), term, sizeof(term) / sizeof(ErlDrvTermData));
+ break;
+ case ECHO_DRV_DRIVER_OUTPUT_TERM:
+ driver_output_term(port, term, sizeof(term) / sizeof(ErlDrvTermData));
+ break;
+ case ECHO_DRV_SEND_TERM:
+ driver_send_term(port, data_p->caller,
+ term, sizeof(term) / sizeof(ErlDrvTermData));
+ break;
+ case ECHO_DRV_DRIVER_SEND_TERM:
+ erl_drv_send_term(driver_mk_port(port), data_p->caller,
+ term, sizeof(term) / sizeof(ErlDrvTermData));
+ break;
+ }
+ break;
+ }
+ case ECHO_DRV_SAVE_CALLER:
+ data_p->caller = driver_caller(port);
+ break;
+ default:
+ break;
+ }
+}
+
+static void echo_drv_finish() {
+
+}
+
+static ErlDrvSSizeT echo_drv_control(ErlDrvData drv_data,
+ unsigned int command,
+ char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen)
+{
+ memcpy(*rbuf, buf+1, len-1);
+ return len-1;
+}
+
+static void echo_drv_timeout(ErlDrvData drv_data)
+{
+
+}
+
+static ErlDrvSSizeT echo_drv_call(ErlDrvData drv_data,
+ unsigned int command,
+ char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen,
+ unsigned int *flags)
+{
+ memcpy(*rbuf, buf+command, len-command);
+ return len-command;
+}
diff --git a/erts/emulator/test/trace_port_SUITE.erl b/erts/emulator/test/trace_port_SUITE.erl
index 98dc96bfa7..838b5093f4 100644
--- a/erts/emulator/test/trace_port_SUITE.erl
+++ b/erts/emulator/test/trace_port_SUITE.erl
@@ -440,7 +440,7 @@ default_tracer(Config) when is_list(Config) ->
{tracer, []} = erlang:trace_info(G1, tracer),
G1 ! {apply,{erlang,exit,[normal]}},
io:format("~p = ~p.~n", [M, N]),
- M = N,
+ M = N - 1, % G1 has been started, but Tracer and Port have died
ok.
tracer_port_crash(Config) when is_list(Config) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-19 14:02:13 +0000