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Diffstat (limited to 'erts/emulator/beam/erl_process.c')
-rw-r--r--erts/emulator/beam/erl_process.c100
1 files changed, 12 insertions, 88 deletions
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 3b1b593d1c..879b523c38 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -58,11 +58,7 @@
#define ERTS_PROC_MIN_CONTEXT_SWITCH_REDS_COST (CONTEXT_REDS/10)
-#ifndef ERTS_SCHED_MIN_SPIN
#define ERTS_SCHED_SPIN_UNTIL_YIELD 100
-#else
-#define ERTS_SCHED_SPIN_UNTIL_YIELD 1
-#endif
#define ERTS_SCHED_SYS_SLEEP_SPINCOUNT_VERY_LONG 40
#define ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_VERY_LONG 1000
@@ -119,7 +115,7 @@
#define RUNQ_SET_RQ(X, RQ) erts_smp_atomic_set_nob((X), (erts_aint_t) (RQ))
#ifdef DEBUG
-# if defined(ARCH_64) && !HALFWORD_HEAP
+# if defined(ARCH_64)
# define ERTS_DBG_SET_INVALID_RUNQP(RQP, N) \
(RUNQ_SET_RQ((RQP), (0xdeadbeefdead0003LL | ((N) << 4)))
# define ERTS_DBG_VERIFY_VALID_RUNQP(RQP) \
@@ -152,12 +148,7 @@ extern BeamInstr beam_apply[];
extern BeamInstr beam_exit[];
extern BeamInstr beam_continue_exit[];
-#ifdef __OSE__
-/* Eager check I/O not supported on OSE yet. */
-int erts_eager_check_io = 0;
-#else
int erts_eager_check_io = 1;
-#endif
int erts_sched_compact_load;
int erts_sched_balance_util = 0;
Uint erts_no_schedulers;
@@ -971,25 +962,10 @@ typedef struct {
erts_smp_atomic32_t refc;
} ErtsSchedWallTimeReq;
-#if !HALFWORD_HEAP
ERTS_SCHED_PREF_QUICK_ALLOC_IMPL(swtreq,
- ErtsSchedWallTimeReq,
- 5,
- ERTS_ALC_T_SCHED_WTIME_REQ)
-#else
-static ERTS_INLINE ErtsSchedWallTimeReq *
-swtreq_alloc(void)
-{
- return erts_alloc(ERTS_ALC_T_SCHED_WTIME_REQ,
- sizeof(ErtsSchedWallTimeReq));
-}
-
-static ERTS_INLINE void
-swtreq_free(ErtsSchedWallTimeReq *ptr)
-{
- erts_free(ERTS_ALC_T_SCHED_WTIME_REQ, ptr);
-}
-#endif
+ ErtsSchedWallTimeReq,
+ 5,
+ ERTS_ALC_T_SCHED_WTIME_REQ)
static void
reply_sched_wall_time(void *vswtrp)
@@ -2536,19 +2512,10 @@ try_set_sys_scheduling(void)
#endif
static ERTS_INLINE int
-prepare_for_sys_schedule(ErtsSchedulerData *esdp, int non_blocking)
+prepare_for_sys_schedule(int non_blocking)
{
if (non_blocking && erts_eager_check_io) {
#ifdef ERTS_SMP
-#ifdef ERTS_SCHED_ONLY_POLL_SCHED_1
- if (esdp->no != 1) {
- /* If we are not scheduler 1 and ERTS_SCHED_ONLY_POLL_SCHED_1 is used
- then we make sure to wake scheduler 1 */
- ErtsRunQueue *rq = ERTS_RUNQ_IX(0);
- wake_scheduler(rq);
- return 0;
- }
-#endif
return try_set_sys_scheduling();
#else
return 1;
@@ -2558,16 +2525,6 @@ prepare_for_sys_schedule(ErtsSchedulerData *esdp, int non_blocking)
#ifdef ERTS_SMP
while (!erts_port_task_have_outstanding_io_tasks()
&& try_set_sys_scheduling()) {
-#ifdef ERTS_SCHED_ONLY_POLL_SCHED_1
- if (esdp->no != 1) {
- /* If we are not scheduler 1 and ERTS_SCHED_ONLY_POLL_SCHED_1 is used
- then we make sure to wake scheduler 1 */
- ErtsRunQueue *rq = ERTS_RUNQ_IX(0);
- clear_sys_scheduling();
- wake_scheduler(rq);
- return 0;
- }
-#endif
if (!erts_port_task_have_outstanding_io_tasks())
return 1;
clear_sys_scheduling();
@@ -2891,8 +2848,6 @@ aux_thread(void *unused)
erts_thr_progress_active(NULL, thr_prgr_active = 0);
erts_thr_progress_prepare_wait(NULL);
- ERTS_SCHED_FAIR_YIELD();
-
flgs = sched_spin_wait(ssi, 0);
if (flgs & ERTS_SSI_FLG_SLEEPING) {
@@ -2960,7 +2915,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
* be waiting in erl_sys_schedule()
*/
- if (ERTS_SCHEDULER_IS_DIRTY(esdp) || !prepare_for_sys_schedule(esdp, 0)) {
+ if (ERTS_SCHEDULER_IS_DIRTY(esdp) || !prepare_for_sys_schedule(0)) {
sched_waiting(esdp->no, rq);
@@ -3025,8 +2980,6 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
erts_thr_progress_prepare_wait(esdp);
}
- ERTS_SCHED_FAIR_YIELD();
-
flgs = sched_spin_wait(ssi, spincount);
if (flgs & ERTS_SSI_FLG_SLEEPING) {
ASSERT(flgs & ERTS_SSI_FLG_WAITING);
@@ -3097,13 +3050,8 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
#ifdef ERTS_DIRTY_SCHEDULERS
ASSERT(!ERTS_SCHEDULER_IS_DIRTY(esdp));
#endif
-
-#ifdef ERTS_SCHED_ONLY_POLL_SCHED_1
- ASSERT(esdp->no == 1);
-#endif
sched_waiting_sys(esdp->no, rq);
-
erts_smp_runq_unlock(rq);
ASSERT(working);
@@ -3173,7 +3121,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
* Got to check that we still got I/O tasks; otherwise
* we have to continue checking for I/O...
*/
- if (!prepare_for_sys_schedule(esdp, 0)) {
+ if (!prepare_for_sys_schedule(0)) {
spincount *= ERTS_SCHED_TSE_SLEEP_SPINCOUNT_FACT;
goto tse_wait;
}
@@ -3195,7 +3143,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
* Got to check that we still got I/O tasks; otherwise
* we have to wait in erl_sys_schedule() after all...
*/
- if (!prepare_for_sys_schedule(esdp, 0)) {
+ if (!prepare_for_sys_schedule(0)) {
/*
* Not allowed to wait in erl_sys_schedule;
* do tse wait instead...
@@ -5316,17 +5264,11 @@ erts_early_init_scheduling(int no_schedulers)
wakeup_other.threshold = ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_MEDIUM;
wakeup_other.type = ERTS_SCHED_WAKEUP_OTHER_TYPE_DEFAULT;
#endif
-#ifndef ERTS_SCHED_MIN_SPIN
sched_busy_wait.sys_schedule = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM;
sched_busy_wait.tse = (ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM
* ERTS_SCHED_TSE_SLEEP_SPINCOUNT_FACT);
sched_busy_wait.aux_work = (ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM
* ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_MEDIUM);
-#else
- sched_busy_wait.sys_schedule = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_NONE;
- sched_busy_wait.tse = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_NONE;
- sched_busy_wait.aux_work = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_NONE;
-#endif
}
int
@@ -5510,9 +5452,6 @@ init_scheduler_data(ErtsSchedulerData* esdp, int num,
esdp->f_reg_array =
erts_alloc_permanent_cache_aligned(ERTS_ALC_T_BEAM_REGISTER,
MAX_REG * sizeof(FloatDef));
-#if !HEAP_ON_C_STACK
- esdp->num_tmp_heap_used = 0;
-#endif
#ifdef ERTS_DIRTY_SCHEDULERS
if (ERTS_RUNQ_IX_IS_DIRTY(runq->ix)) {
esdp->no = 0;
@@ -5797,9 +5736,7 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online
#endif
init_misc_aux_work();
-#if !HALFWORD_HEAP
init_swtreq_alloc();
-#endif
erts_atomic32_init_nob(&debug_wait_completed_count, 0); /* debug only */
debug_wait_completed_flags = 0;
@@ -8209,18 +8146,12 @@ erts_start_schedulers(void)
erts_snprintf(opts.name, 16, "%lu_scheduler", actual + 1);
-#ifdef __OSE__
- /* This should be done in the bind strategy */
- opts.coreNo = (actual+1) % ose_num_cpus();
-#endif
-
res = ethr_thr_create(&esdp->tid, sched_thread_func, (void*)esdp, &opts);
if (res != 0) {
break;
}
}
-
erts_no_schedulers = actual;
#ifdef ERTS_DIRTY_SCHEDULERS
@@ -8249,10 +8180,6 @@ erts_start_schedulers(void)
erts_snprintf(opts.name, 16, "aux");
-#ifdef __OSE__
- opts.coreNo = 0;
-#endif /* __OSE__ */
-
res = ethr_thr_create(&aux_tid, aux_thread, NULL, &opts);
if (res != 0)
erl_exit(1, "Failed to create aux thread\n");
@@ -8272,7 +8199,6 @@ erts_start_schedulers(void)
actual, actual == 1 ? " was" : "s were");
erts_send_error_to_logger_nogl(dsbufp);
}
-
}
#endif /* ERTS_SMP */
@@ -8291,7 +8217,7 @@ add_pend_suspend(Process *suspendee,
sizeof(ErtsPendingSuspend));
psp->next = NULL;
#ifdef DEBUG
-#if defined(ARCH_64) && !HALFWORD_HEAP
+#if defined(ARCH_64)
psp->end = (ErtsPendingSuspend *) 0xdeaddeaddeaddead;
#else
psp->end = (ErtsPendingSuspend *) 0xdeaddead;
@@ -9417,12 +9343,10 @@ Process *schedule(Process *p, int calls)
int leader_update = ERTS_SCHEDULER_IS_DIRTY(esdp) ? 0
: erts_thr_progress_update(esdp);
aux_work = erts_atomic32_read_acqb(&esdp->ssi->aux_work);
- if (aux_work | leader_update | ERTS_SCHED_FAIR) {
+ if (aux_work | leader_update) {
erts_smp_runq_unlock(rq);
if (leader_update)
erts_thr_progress_leader_update(esdp);
- else if (ERTS_SCHED_FAIR)
- ERTS_SCHED_FAIR_YIELD();
if (aux_work)
handle_aux_work(&esdp->aux_work_data, aux_work, 0);
erts_smp_runq_lock(rq);
@@ -9498,7 +9422,7 @@ Process *schedule(Process *p, int calls)
}
else if (!ERTS_SCHEDULER_IS_DIRTY(esdp) &&
(fcalls > input_reductions &&
- prepare_for_sys_schedule(esdp, !0))) {
+ prepare_for_sys_schedule(!0))) {
ErtsMonotonicTime current_time;
/*
* Schedule system-level activities.
@@ -12547,7 +12471,7 @@ stack_element_dump(int to, void *to_arg, Eterm* sp, int yreg)
}
if (is_CP(x)) {
- erts_print(to, to_arg, "Return addr %p (", (Eterm *) EXPAND_POINTER(x));
+ erts_print(to, to_arg, "Return addr %p (", (Eterm *) x);
print_function_from_pc(to, to_arg, cp_val(x));
erts_print(to, to_arg, ")\n");
yreg = 0;