aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/erl_trace.c
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/beam/erl_trace.c')
-rw-r--r--erts/emulator/beam/erl_trace.c199
1 files changed, 178 insertions, 21 deletions
diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c
index 848877d43e..ea5c850a30 100644
--- a/erts/emulator/beam/erl_trace.c
+++ b/erts/emulator/beam/erl_trace.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1999-2012. All Rights Reserved.
+ * Copyright Ericsson AB 1999-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -151,6 +151,11 @@ do { \
message dispatcher thread takes care of that). */
#define ERTS_GET_TRACER_REF(RES, TPID, TRACEE_FLGS) \
do { (RES) = (TPID); } while(0)
+int
+erts_is_tracer_proc_valid(Process* p)
+{
+ return 1;
+}
#else
#define ERTS_NULL_TRACER_REF NULL
#define ERTS_TRACER_REF_TYPE Process *
@@ -163,6 +168,20 @@ do { \
return; \
} \
} while (0)
+int
+erts_is_tracer_proc_valid(Process* p)
+{
+ Process* tracer;
+
+ tracer = erts_proc_lookup(ERTS_TRACER_PROC(p));
+ if (tracer && ERTS_TRACE_FLAGS(tracer) & F_TRACER) {
+ return 1;
+ } else {
+ ERTS_TRACER_PROC(p) = NIL;
+ ERTS_TRACE_FLAGS(p) = ~TRACEE_FLAGS;
+ return 0;
+ }
+}
#endif
static Uint active_sched;
@@ -2184,7 +2203,7 @@ trace_gc(Process *p, Eterm what)
AM_bin_old_vheap_block_size
};
- Uint values[] = {
+ UWord values[] = {
OLD_HEAP(p) ? OLD_HEND(p) - OLD_HEAP(p) : 0,
HEAP_SIZE(p),
MBUF_SIZE(p),
@@ -2198,7 +2217,7 @@ trace_gc(Process *p, Eterm what)
BIN_OLD_VHEAP_SZ(p)
};
#define LOCAL_HEAP_SIZE \
- (sizeof(values)/sizeof(Eterm)) * \
+ (sizeof(values)/sizeof(*values)) * \
(2/*cons*/ + 3/*2-tuple*/ + BIG_UINT_HEAP_SIZE) + \
5/*4-tuple */ + TS_HEAP_WORDS
DeclareTmpHeap(local_heap,LOCAL_HEAP_SIZE,p);
@@ -2206,7 +2225,7 @@ trace_gc(Process *p, Eterm what)
Eterm* limit;
#endif
- ASSERT(sizeof(values)/sizeof(Uint) == sizeof(tags)/sizeof(Eterm));
+ ASSERT(sizeof(values)/sizeof(*values) == sizeof(tags)/sizeof(Eterm));
UseTmpHeap(LOCAL_HEAP_SIZE,p);
@@ -2214,9 +2233,9 @@ trace_gc(Process *p, Eterm what)
hp = local_heap;
#ifdef DEBUG
size = 0;
- (void) erts_bld_atom_uint_2tup_list(NULL,
+ (void) erts_bld_atom_uword_2tup_list(NULL,
&size,
- sizeof(values)/sizeof(Uint),
+ sizeof(values)/sizeof(*values),
tags,
values);
size += 5/*4-tuple*/ + TS_SIZE(p);
@@ -2229,9 +2248,9 @@ trace_gc(Process *p, Eterm what)
ERTS_TRACE_FLAGS(p));
size = 0;
- (void) erts_bld_atom_uint_2tup_list(NULL,
+ (void) erts_bld_atom_uword_2tup_list(NULL,
&size,
- sizeof(values)/sizeof(Uint),
+ sizeof(values)/sizeof(*values),
tags,
values);
size += 5/*4-tuple*/ + TS_SIZE(p);
@@ -2244,9 +2263,9 @@ trace_gc(Process *p, Eterm what)
ASSERT(size <= LOCAL_HEAP_SIZE);
#endif
- msg = erts_bld_atom_uint_2tup_list(&hp,
+ msg = erts_bld_atom_uword_2tup_list(&hp,
NULL,
- sizeof(values)/sizeof(Uint),
+ sizeof(values)/sizeof(*values),
tags,
values);
@@ -2268,7 +2287,134 @@ 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) {
@@ -2288,7 +2434,7 @@ monitor_long_gc(Process *p, Uint time) {
am_old_heap_size,
am_heap_size
};
- Eterm values[] = {
+ UWord values[] = {
time,
OLD_HEAP(p) ? OLD_HEND(p) - OLD_HEAP(p) : 0,
HEAP_SIZE(p),
@@ -2309,9 +2455,9 @@ monitor_long_gc(Process *p, Uint time) {
#endif
hsz = 0;
- (void) erts_bld_atom_uint_2tup_list(NULL,
+ (void) erts_bld_atom_uword_2tup_list(NULL,
&hsz,
- sizeof(values)/sizeof(Uint),
+ sizeof(values)/sizeof(*values),
tags,
values);
hsz += 5 /* 4-tuple */;
@@ -2322,9 +2468,9 @@ monitor_long_gc(Process *p, Uint time) {
hp_end = hp + hsz;
#endif
- list = erts_bld_atom_uint_2tup_list(&hp,
+ list = erts_bld_atom_uword_2tup_list(&hp,
NULL,
- sizeof(values)/sizeof(Uint),
+ sizeof(values)/sizeof(*values),
tags,
values);
msg = TUPLE4(hp, am_monitor, p->common.id, am_long_gc, list);
@@ -2362,7 +2508,7 @@ monitor_large_heap(Process *p) {
am_old_heap_size,
am_heap_size
};
- Uint values[] = {
+ UWord values[] = {
OLD_HEAP(p) ? OLD_HEND(p) - OLD_HEAP(p) : 0,
HEAP_SIZE(p),
MBUF_SIZE(p),
@@ -2378,15 +2524,15 @@ monitor_large_heap(Process *p) {
#ifndef ERTS_SMP
ASSERT(is_internal_pid(system_monitor));
monitor_p = erts_proc_lookup(system_monitor);
- if (monitor_p || p == monitor_p) {
+ if (!monitor_p || p == monitor_p) {
return;
}
#endif
hsz = 0;
- (void) erts_bld_atom_uint_2tup_list(NULL,
+ (void) erts_bld_atom_uword_2tup_list(NULL,
&hsz,
- sizeof(values)/sizeof(Uint),
+ sizeof(values)/sizeof(*values),
tags,
values);
hsz += 5 /* 4-tuple */;
@@ -2397,9 +2543,9 @@ monitor_large_heap(Process *p) {
hp_end = hp + hsz;
#endif
- list = erts_bld_atom_uint_2tup_list(&hp,
+ list = erts_bld_atom_uword_2tup_list(&hp,
NULL,
- sizeof(values)/sizeof(Uint),
+ sizeof(values)/sizeof(*values),
tags,
values);
msg = TUPLE4(hp, am_monitor, p->common.id, am_large_heap, list);
@@ -3011,6 +3157,7 @@ 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)
@@ -3181,6 +3328,8 @@ sys_msg_dispatcher_func(void *unused)
if (erts_thr_progress_update(NULL))
erts_thr_progress_leader_update(NULL);
+ ERTS_SCHED_FAIR_YIELD();
+
#ifdef DEBUG_PRINTOUTS
print_msg_type(smqp);
#endif
@@ -3339,12 +3488,20 @@ static void
init_sys_msg_dispatcher(void)
{
erts_smp_thr_opts_t thr_opts = ERTS_SMP_THR_OPTS_DEFAULT_INITER;
+#ifdef __OSE__
+ thr_opts.coreNo = 0;
+#endif
thr_opts.detached = 1;
init_smq_element_alloc();
sys_message_queue = NULL;
sys_message_queue_end = NULL;
erts_smp_cnd_init(&smq_cnd);
erts_smp_mtx_init(&smq_mtx, "sys_msg_q");
+
+#ifdef ETHR_HAVE_THREAD_NAMES
+ thr_opts.name = "sys_msg_dispatcher";
+#endif
+
erts_smp_thr_create(&sys_msg_dispatcher_tid,
sys_msg_dispatcher_func,
NULL,
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-21 07:32:10 +0000