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-rw-r--r--erts/emulator/beam/erl_trace.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c
index 848877d43e..bb6ed44523 100644
--- a/erts/emulator/beam/erl_trace.c
+++ b/erts/emulator/beam/erl_trace.c
@@ -2268,7 +2268,134 @@ trace_gc(Process *p, Eterm what)
#undef LOCAL_HEAP_SIZE
}
+void
+monitor_long_schedule_proc(Process *p, BeamInstr *in_fp, BeamInstr *out_fp, Uint time)
+{
+ ErlHeapFragment *bp;
+ ErlOffHeap *off_heap;
+#ifndef ERTS_SMP
+ Process *monitor_p;
+#endif
+ Uint hsz;
+ Eterm *hp, list, in_mfa = am_undefined, out_mfa = am_undefined;
+ Eterm in_tpl, out_tpl, tmo_tpl, tmo, msg;
+
+
+#ifndef ERTS_SMP
+ ASSERT(is_internal_pid(system_monitor));
+ monitor_p = erts_proc_lookup(system_monitor);
+ if (!monitor_p || p == monitor_p) {
+ return;
+ }
+#endif
+ /*
+ * Size: {monitor, pid, long_schedule, [{timeout, T}, {in, {M,F,A}},{out,{M,F,A}}]} ->
+ * 5 (top tuple of 4), (3 (elements) * 2 (cons)) + 3 (timeout tuple of 2) + size of Timeout +
+ * (2 * 3 (in/out tuple of 2)) +
+ * 0 (unknown) or 4 (MFA tuple of 3) + 0 (unknown) or 4 (MFA tuple of 3)
+ * = 20 + (in_fp != NULL) ? 4 : 0 + (out_fp != NULL) ? 4 : 0 + size of Timeout
+ */
+ hsz = 20 + ((in_fp != NULL) ? 4 : 0) + ((out_fp != NULL) ? 4 : 0);
+ (void) erts_bld_uint(NULL, &hsz, time);
+ hp = ERTS_ALLOC_SYSMSG_HEAP(hsz, &bp, &off_heap, monitor_p);
+ tmo = erts_bld_uint(&hp, NULL, time);
+ if (in_fp != NULL) {
+ in_mfa = TUPLE3(hp,(Eterm) in_fp[0], (Eterm) in_fp[1], make_small(in_fp[2]));
+ hp +=4;
+ }
+ if (out_fp != NULL) {
+ out_mfa = TUPLE3(hp,(Eterm) out_fp[0], (Eterm) out_fp[1], make_small(out_fp[2]));
+ hp +=4;
+ }
+ tmo_tpl = TUPLE2(hp,am_timeout, tmo);
+ hp += 3;
+ in_tpl = TUPLE2(hp,am_in,in_mfa);
+ hp += 3;
+ out_tpl = TUPLE2(hp,am_out,out_mfa);
+ hp += 3;
+ list = CONS(hp,out_tpl,NIL);
+ hp += 2;
+ list = CONS(hp,in_tpl,list);
+ hp += 2;
+ list = CONS(hp,tmo_tpl,list);
+ hp += 2;
+ msg = TUPLE4(hp, am_monitor, p->common.id, am_long_schedule, list);
+ hp += 5;
+#ifdef ERTS_SMP
+ enqueue_sys_msg(SYS_MSG_TYPE_SYSMON, p->common.id, NIL, msg, bp);
+#else
+ erts_queue_message(monitor_p, NULL, bp, msg, NIL
+#ifdef USE_VM_PROBES
+ , NIL
+#endif
+ );
+#endif
+}
+void
+monitor_long_schedule_port(Port *pp, ErtsPortTaskType type, Uint time)
+{
+ ErlHeapFragment *bp;
+ ErlOffHeap *off_heap;
+#ifndef ERTS_SMP
+ Process *monitor_p;
+#endif
+ Uint hsz;
+ Eterm *hp, list, op;
+ Eterm op_tpl, tmo_tpl, tmo, msg;
+
+
+#ifndef ERTS_SMP
+ ASSERT(is_internal_pid(system_monitor));
+ monitor_p = erts_proc_lookup(system_monitor);
+ if (!monitor_p) {
+ return;
+ }
+#endif
+ /*
+ * Size: {monitor, port, long_schedule, [{timeout, T}, {op, Operation}]} ->
+ * 5 (top tuple of 4), (2 (elements) * 2 (cons)) + 3 (timeout tuple of 2)
+ * + size of Timeout + 3 (op tuple of 2 atoms)
+ * = 15 + size of Timeout
+ */
+ hsz = 15;
+ (void) erts_bld_uint(NULL, &hsz, time);
+
+ hp = ERTS_ALLOC_SYSMSG_HEAP(hsz, &bp, &off_heap, monitor_p);
+ switch (type) {
+ case ERTS_PORT_TASK_PROC_SIG: op = am_proc_sig; break;
+ case ERTS_PORT_TASK_TIMEOUT: op = am_timeout; break;
+ case ERTS_PORT_TASK_INPUT: op = am_input; break;
+ case ERTS_PORT_TASK_OUTPUT: op = am_output; break;
+ case ERTS_PORT_TASK_EVENT: op = am_event; break;
+ case ERTS_PORT_TASK_DIST_CMD: op = am_dist_cmd; break;
+ default: op = am_undefined; break;
+ }
+
+ tmo = erts_bld_uint(&hp, NULL, time);
+
+ op_tpl = TUPLE2(hp,am_port_op,op);
+ hp += 3;
+
+ tmo_tpl = TUPLE2(hp,am_timeout, tmo);
+ hp += 3;
+
+ list = CONS(hp,op_tpl,NIL);
+ hp += 2;
+ list = CONS(hp,tmo_tpl,list);
+ hp += 2;
+ msg = TUPLE4(hp, am_monitor, pp->common.id, am_long_schedule, list);
+ hp += 5;
+#ifdef ERTS_SMP
+ enqueue_sys_msg(SYS_MSG_TYPE_SYSMON, pp->common.id, NIL, msg, bp);
+#else
+ erts_queue_message(monitor_p, NULL, bp, msg, NIL
+#ifdef USE_VM_PROBES
+ , NIL
+#endif
+ );
+#endif
+}
void
monitor_long_gc(Process *p, Uint time) {
@@ -3011,6 +3138,7 @@ sys_msg_disp_failure(ErtsSysMsgQ *smqp, Eterm receiver)
case SYS_MSG_TYPE_SYSMON:
if (receiver == NIL
&& !erts_system_monitor_long_gc
+ && !erts_system_monitor_long_schedule
&& !erts_system_monitor_large_heap
&& !erts_system_monitor_flags.busy_port
&& !erts_system_monitor_flags.busy_dist_port)