aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/erl_bif_info.c
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/beam/erl_bif_info.c')
-rw-r--r--erts/emulator/beam/erl_bif_info.c92
1 files changed, 78 insertions, 14 deletions
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index f264bf44df..6a74596f76 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -135,7 +135,7 @@ bld_bin_list(Uint **hpp, Uint *szp, ErlOffHeap* oh)
if (szp)
*szp += 4+2;
if (hpp) {
- Uint refc = (Uint) erts_smp_atomic_read(&pb->val->refc);
+ Uint refc = (Uint) erts_smp_atomic_read_nob(&pb->val->refc);
tuple = TUPLE3(*hpp, val, orig_size, make_small(refc));
res = CONS(*hpp + 4, tuple, res);
*hpp += 4+2;
@@ -2026,7 +2026,7 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
res = TUPLE2(hp, am_sequential_tracer, val);
BIF_RET(res);
} else if (BIF_ARG_1 == am_garbage_collection){
- Uint val = (Uint) erts_smp_atomic32_read(&erts_max_gen_gcs);
+ Uint val = (Uint) erts_smp_atomic32_read_nob(&erts_max_gen_gcs);
Eterm tup;
hp = HAlloc(BIF_P, 3+2 + 3+2 + 3+2);
@@ -2041,7 +2041,7 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
BIF_RET(res);
} else if (BIF_ARG_1 == am_fullsweep_after){
- Uint val = (Uint) erts_smp_atomic32_read(&erts_max_gen_gcs);
+ Uint val = (Uint) erts_smp_atomic32_read_nob(&erts_max_gen_gcs);
hp = HAlloc(BIF_P, 3);
res = TUPLE2(hp, am_fullsweep_after, make_small(val));
BIF_RET(res);
@@ -2545,6 +2545,70 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
hp = hsz ? HAlloc(BIF_P, hsz) : NULL;
res = erts_bld_uint(&hp, NULL, erts_dist_buf_busy_limit);
BIF_RET(res);
+ } else if (ERTS_IS_ATOM_STR("print_ethread_info", BIF_ARG_1)) {
+ int i;
+ char **str;
+#ifdef ETHR_NATIVE_ATOMIC32_IMPL
+ erts_printf("32-bit native atomics: %s\n",
+ ETHR_NATIVE_ATOMIC32_IMPL);
+ str = ethr_native_atomic32_ops();
+ for (i = 0; str[i]; i++)
+ erts_printf("ethr_native_atomic32_%s()\n", str[i]);
+#endif
+#ifdef ETHR_NATIVE_ATOMIC64_IMPL
+ erts_printf("64-bit native atomics: %s\n",
+ ETHR_NATIVE_ATOMIC64_IMPL);
+ str = ethr_native_atomic64_ops();
+ for (i = 0; str[i]; i++)
+ erts_printf("ethr_native_atomic64_%s()\n", str[i]);
+#endif
+#ifdef ETHR_NATIVE_DW_ATOMIC_IMPL
+ if (ethr_have_native_dw_atomic()) {
+ erts_printf("Double word native atomics: %s\n",
+ ETHR_NATIVE_DW_ATOMIC_IMPL);
+ str = ethr_native_dw_atomic_ops();
+ for (i = 0; str[i]; i++)
+ erts_printf("ethr_native_dw_atomic_%s()\n", str[i]);
+ str = ethr_native_su_dw_atomic_ops();
+ for (i = 0; str[i]; i++)
+ erts_printf("ethr_native_su_dw_atomic_%s()\n", str[i]);
+ }
+#endif
+#ifdef ETHR_NATIVE_SPINLOCK_IMPL
+ erts_printf("Native spin-locks: %s\n", ETHR_NATIVE_SPINLOCK_IMPL);
+#endif
+#ifdef ETHR_NATIVE_RWSPINLOCK_IMPL
+ erts_printf("Native rwspin-locks: %s\n", ETHR_NATIVE_RWSPINLOCK_IMPL);
+#endif
+#ifdef ETHR_X86_RUNTIME_CONF_HAVE_SSE2__
+ erts_printf("SSE2 support: %s\n", (ETHR_X86_RUNTIME_CONF_HAVE_SSE2__
+ ? "yes" : "no"));
+#endif
+#ifdef ETHR_X86_OUT_OF_ORDER
+ erts_printf("x86"
+#ifdef ARCH_64
+ "_64"
+#endif
+ " out of order\n");
+#endif
+#ifdef ETHR_SPARC_TSO
+ erts_printf("Sparc TSO\n");
+#endif
+#ifdef ETHR_SPARC_PSO
+ erts_printf("Sparc PSO\n");
+#endif
+#ifdef ETHR_SPARC_RMO
+ erts_printf("Sparc RMO\n");
+#endif
+#if defined(ETHR_PPC_HAVE_LWSYNC)
+ erts_printf("Have lwsync instruction: yes\n");
+#elif defined(ETHR_PPC_HAVE_NO_LWSYNC)
+ erts_printf("Have lwsync instruction: no\n");
+#elif defined(ETHR_PPC_RUNTIME_CONF_HAVE_LWSYNC__)
+ erts_printf("Have lwsync instruction: %s (runtime test)\n",
+ ETHR_PPC_RUNTIME_CONF_HAVE_LWSYNC__ ? "yes" : "no");
+#endif
+ BIF_RET(am_true);
}
BIF_ERROR(BIF_P, BADARG);
@@ -2845,7 +2909,7 @@ fun_info_2(Process* p, Eterm fun, Eterm what)
}
break;
case am_refc:
- val = erts_make_integer(erts_smp_atomic_read(&funp->fe->refc), p);
+ val = erts_make_integer(erts_smp_atomic_read_nob(&funp->fe->refc), p);
hp = HAlloc(p, 3);
break;
case am_arity:
@@ -3065,8 +3129,8 @@ BIF_RETTYPE statistics_1(BIF_ALIST_1)
Eterm r1, r2;
Eterm in, out;
Uint hsz = 9;
- Uint bytes_in = (Uint) erts_smp_atomic_read(&erts_bytes_in);
- Uint bytes_out = (Uint) erts_smp_atomic_read(&erts_bytes_out);
+ Uint bytes_in = (Uint) erts_smp_atomic_read_nob(&erts_bytes_in);
+ Uint bytes_out = (Uint) erts_smp_atomic_read_nob(&erts_bytes_out);
(void) erts_bld_uint(NULL, &hsz, bytes_in);
(void) erts_bld_uint(NULL, &hsz, bytes_out);
@@ -3139,7 +3203,7 @@ BIF_RETTYPE erts_debug_get_internal_state_1(BIF_ALIST_1)
* NOTE: Only supposed to be used for testing, and debugging.
*/
- if (!erts_smp_atomic_read(&available_internal_state)) {
+ if (!erts_smp_atomic_read_nob(&available_internal_state)) {
BIF_ERROR(BIF_P, EXC_UNDEF);
}
@@ -3437,7 +3501,7 @@ BIF_RETTYPE erts_debug_set_internal_state_2(BIF_ALIST_2)
if (ERTS_IS_ATOM_STR("available_internal_state", BIF_ARG_1)
&& (BIF_ARG_2 == am_true || BIF_ARG_2 == am_false)) {
erts_aint_t on = (erts_aint_t) (BIF_ARG_2 == am_true);
- erts_aint_t prev_on = erts_smp_atomic_xchg(&available_internal_state, on);
+ erts_aint_t prev_on = erts_smp_atomic_xchg_nob(&available_internal_state, on);
if (on) {
erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf();
erts_dsprintf(dsbufp, "Process %T ", BIF_P->id);
@@ -3453,7 +3517,7 @@ BIF_RETTYPE erts_debug_set_internal_state_2(BIF_ALIST_2)
BIF_RET(prev_on ? am_true : am_false);
}
- if (!erts_smp_atomic_read(&available_internal_state)) {
+ if (!erts_smp_atomic_read_nob(&available_internal_state)) {
BIF_ERROR(BIF_P, EXC_UNDEF);
}
@@ -3634,14 +3698,14 @@ BIF_RETTYPE erts_debug_set_internal_state_2(BIF_ALIST_2)
}
else if (ERTS_IS_ATOM_STR("hipe_test_reschedule_suspend", BIF_ARG_1)) {
/* Used by hipe test suites */
- erts_aint_t flag = erts_smp_atomic_read(&hipe_test_reschedule_flag);
+ erts_aint_t flag = erts_smp_atomic_read_nob(&hipe_test_reschedule_flag);
if (!flag && BIF_ARG_2 != am_false) {
- erts_smp_atomic_set(&hipe_test_reschedule_flag, 1);
+ erts_smp_atomic_set_nob(&hipe_test_reschedule_flag, 1);
erts_suspend(BIF_P, ERTS_PROC_LOCK_MAIN, NULL);
ERTS_BIF_YIELD2(bif_export[BIF_erts_debug_set_internal_state_2],
BIF_P, BIF_ARG_1, BIF_ARG_2);
}
- erts_smp_atomic_set(&hipe_test_reschedule_flag, !flag);
+ erts_smp_atomic_set_nob(&hipe_test_reschedule_flag, !flag);
BIF_RET(NIL);
}
else if (ERTS_IS_ATOM_STR("hipe_test_reschedule_resume", BIF_ARG_1)) {
@@ -3951,8 +4015,8 @@ BIF_RETTYPE erts_debug_lock_counters_1(BIF_ALIST_1)
void
erts_bif_info_init(void)
{
- erts_smp_atomic_init(&available_internal_state, 0);
- erts_smp_atomic_init(&hipe_test_reschedule_flag, 0);
+ erts_smp_atomic_init_nob(&available_internal_state, 0);
+ erts_smp_atomic_init_nob(&hipe_test_reschedule_flag, 0);
process_info_init();
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 08:02:09 +0000