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Diffstat (limited to 'erts/emulator/beam/erl_process.h')
-rw-r--r--erts/emulator/beam/erl_process.h183
1 files changed, 147 insertions, 36 deletions
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 799e49005c..ef4aab7234 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -304,7 +304,6 @@ typedef enum {
ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN_IX,
ERTS_SSI_AUX_WORK_MISC_THR_PRGR_IX,
ERTS_SSI_AUX_WORK_MISC_IX,
- ERTS_SSI_AUX_WORK_CHECK_CHILDREN_IX,
ERTS_SSI_AUX_WORK_SET_TMO_IX,
ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK_IX,
ERTS_SSI_AUX_WORK_REAP_PORTS_IX,
@@ -337,8 +336,6 @@ typedef enum {
(((erts_aint32_t) 1) << ERTS_SSI_AUX_WORK_MISC_THR_PRGR_IX)
#define ERTS_SSI_AUX_WORK_MISC \
(((erts_aint32_t) 1) << ERTS_SSI_AUX_WORK_MISC_IX)
-#define ERTS_SSI_AUX_WORK_CHECK_CHILDREN \
- (((erts_aint32_t) 1) << ERTS_SSI_AUX_WORK_CHECK_CHILDREN_IX)
#define ERTS_SSI_AUX_WORK_SET_TMO \
(((erts_aint32_t) 1) << ERTS_SSI_AUX_WORK_SET_TMO_IX)
#define ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK \
@@ -643,12 +640,6 @@ struct ErtsSchedulerData_ {
Process *free_process;
ErtsThrPrgrData thr_progress_data;
#endif
-#if !HEAP_ON_C_STACK
- Eterm tmp_heap[TMP_HEAP_SIZE];
- int num_tmp_heap_used;
- Eterm beam_emu_tmp_heap[BEAM_EMU_TMP_HEAP_SIZE];
- Eterm erl_arith_tmp_heap[ERL_ARITH_TMP_HEAP_SIZE];
-#endif
ErtsSchedulerSleepInfo *ssi;
Process *current_process;
Uint no; /* Scheduler number for normal schedulers */
@@ -702,13 +693,6 @@ extern ErtsAlignedSchedulerData *erts_aligned_dirty_io_scheduler_data;
extern ErtsSchedulerData *erts_scheduler_data;
#endif
-#ifdef ERTS_SCHED_FAIR
-#define ERTS_SCHED_FAIR_YIELD() ETHR_YIELD()
-#else
-#define ERTS_SCHED_FAIR 0
-#define ERTS_SCHED_FAIR_YIELD()
-#endif
-
#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)
int erts_smp_lc_runq_is_locked(ErtsRunQueue *);
#endif
@@ -924,7 +908,6 @@ struct ErtsPendingSuspend_ {
# define MIN_VHEAP_SIZE(p) (p)->min_vheap_size
# define BIN_VHEAP_SZ(p) (p)->bin_vheap_sz
-# define BIN_VHEAP_MATURE(p) (p)->bin_vheap_mature
# define BIN_OLD_VHEAP_SZ(p) (p)->bin_old_vheap_sz
# define BIN_OLD_VHEAP(p) (p)->bin_old_vheap
@@ -942,6 +925,7 @@ struct process {
Eterm* stop; /* Stack top */
Eterm* heap; /* Heap start */
Eterm* hend; /* Heap end */
+ Eterm* abandoned_heap;
Uint heap_sz; /* Size of heap in words */
Uint min_heap_size; /* Minimum size of heap (in words). */
Uint min_vheap_size; /* Minimum size of virtual heap (in words). */
@@ -1038,18 +1022,22 @@ struct process {
Uint16 gen_gcs; /* Number of (minor) generational GCs. */
Uint16 max_gen_gcs; /* Max minor gen GCs before fullsweep. */
ErlOffHeap off_heap; /* Off-heap data updated by copy_struct(). */
- ErlHeapFragment* mbuf; /* Pointer to message buffer list */
- Uint mbuf_sz; /* Size of all message buffers */
+ ErlHeapFragment* mbuf; /* Pointer to heap fragment list */
+ ErlHeapFragment* live_hf_end;
+ ErtsMessage *msg_frag; /* Pointer to message fragment list */
+ Uint mbuf_sz; /* Total size of heap fragments and message fragments */
ErtsPSD *psd; /* Rarely used process specific data */
Uint64 bin_vheap_sz; /* Virtual heap block size for binaries */
- Uint64 bin_vheap_mature; /* Virtual heap block size for binaries */
Uint64 bin_old_vheap_sz; /* Virtual old heap block size for binaries */
Uint64 bin_old_vheap; /* Virtual old heap size for binaries */
ErtsProcSysTaskQs *sys_task_qs;
erts_smp_atomic32_t state; /* Process state flags (see ERTS_PSFLG_*) */
+#ifdef ERTS_DIRTY_SCHEDULERS
+ erts_smp_atomic32_t dirty_state; /* Process dirty state flags (see ERTS_PDSFLG_*) */
+#endif
#ifdef ERTS_SMP
ErlMessageInQueue msg_inq;
@@ -1067,6 +1055,7 @@ struct process {
#ifdef CHECK_FOR_HOLES
Eterm* last_htop; /* No need to scan the heap below this point. */
ErlHeapFragment* last_mbuf; /* No need to scan beyond this mbuf. */
+ ErlHeapFragment* heap_hfrag; /* Heap abandoned, htop now lives in this frag */
#endif
#ifdef DEBUG
@@ -1090,6 +1079,7 @@ extern const Process erts_invalid_process;
do { \
(p)->last_htop = 0; \
(p)->last_mbuf = 0; \
+ (p)->heap_hfrag = NULL; \
} while (0)
# define ERTS_HOLE_CHECK(p) erts_check_for_holes((p))
@@ -1167,15 +1157,16 @@ void erts_check_for_holes(Process* p);
#define ERTS_PSFLG_RUNNING_SYS ERTS_PSFLG_BIT(15)
#define ERTS_PSFLG_PROXY ERTS_PSFLG_BIT(16)
#define ERTS_PSFLG_DELAYED_SYS ERTS_PSFLG_BIT(17)
-#ifdef ERTS_DIRTY_SCHEDULERS
-#define ERTS_PSFLG_DIRTY_CPU_PROC ERTS_PSFLG_BIT(18)
-#define ERTS_PSFLG_DIRTY_IO_PROC ERTS_PSFLG_BIT(19)
-#define ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q ERTS_PSFLG_BIT(20)
-#define ERTS_PSFLG_DIRTY_IO_PROC_IN_Q ERTS_PSFLG_BIT(21)
+#define ERTS_PSFLG_OFF_HEAP_MSGQ ERTS_PSFLG_BIT(18)
+#define ERTS_PSFLG_ON_HEAP_MSGQ ERTS_PSFLG_BIT(19)
+#define ERTS_PSFLG_DIRTY_CPU_PROC ERTS_PSFLG_BIT(20)
+#define ERTS_PSFLG_DIRTY_IO_PROC ERTS_PSFLG_BIT(21)
+#define ERTS_PSFLG_DIRTY_ACTIVE_SYS ERTS_PSFLG_BIT(22)
#define ERTS_PSFLG_MAX (ERTS_PSFLGS_ZERO_BIT_OFFSET + 22)
-#else
-#define ERTS_PSFLG_MAX (ERTS_PSFLGS_ZERO_BIT_OFFSET + 18)
-#endif
+
+#define ERTS_PSFLGS_DIRTY_WORK (ERTS_PSFLG_DIRTY_CPU_PROC \
+ | ERTS_PSFLG_DIRTY_IO_PROC \
+ | ERTS_PSFLG_DIRTY_ACTIVE_SYS)
#define ERTS_PSFLGS_IN_PRQ_MASK (ERTS_PSFLG_IN_PRQ_MAX \
| ERTS_PSFLG_IN_PRQ_HIGH \
@@ -1187,7 +1178,37 @@ void erts_check_for_holes(Process* p);
#define ERTS_PSFLGS_GET_USR_PRIO(PSFLGS) \
(((PSFLGS) >> ERTS_PSFLGS_USR_PRIO_OFFSET) & ERTS_PSFLGS_PRIO_MASK)
#define ERTS_PSFLGS_GET_PRQ_PRIO(PSFLGS) \
- (((PSFLGS) >> ERTS_PSFLGS_USR_PRIO_OFFSET) & ERTS_PSFLGS_PRIO_MASK)
+ (((PSFLGS) >> ERTS_PSFLGS_PRQ_PRIO_OFFSET) & ERTS_PSFLGS_PRIO_MASK)
+
+#ifdef ERTS_DIRTY_SCHEDULERS
+
+/*
+ * Flags in the dirty_state field.
+ */
+
+#define ERTS_PDSFLG_IN_CPU_PRQ_MAX (((erts_aint32_t) 1) << 0)
+#define ERTS_PDSFLG_IN_CPU_PRQ_HIGH (((erts_aint32_t) 1) << 1)
+#define ERTS_PDSFLG_IN_CPU_PRQ_NORMAL (((erts_aint32_t) 1) << 2)
+#define ERTS_PDSFLG_IN_CPU_PRQ_LOW (((erts_aint32_t) 1) << 3)
+#define ERTS_PDSFLG_IN_IO_PRQ_MAX (((erts_aint32_t) 1) << 4)
+#define ERTS_PDSFLG_IN_IO_PRQ_HIGH (((erts_aint32_t) 1) << 5)
+#define ERTS_PDSFLG_IN_IO_PRQ_NORMAL (((erts_aint32_t) 1) << 6)
+#define ERTS_PDSFLG_IN_IO_PRQ_LOW (((erts_aint32_t) 1) << 7)
+
+#define ERTS_PDSFLGS_QMASK ERTS_PSFLGS_QMASK
+#define ERTS_PDSFLGS_IN_CPU_PRQ_MASK_OFFSET 0
+#define ERTS_PDSFLGS_IN_IO_PRQ_MASK_OFFSET ERTS_PSFLGS_QMASK_BITS
+
+#define ERTS_PDSFLG_IN_CPU_PRQ_MASK (ERTS_PDSFLG_IN_CPU_PRQ_MAX \
+ | ERTS_PDSFLG_IN_CPU_PRQ_HIGH \
+ | ERTS_PDSFLG_IN_CPU_PRQ_NORMAL\
+ | ERTS_PDSFLG_IN_CPU_PRQ_LOW)
+#define ERTS_PDSFLG_IN_IO_PRQ_MASK (ERTS_PDSFLG_IN_CPU_PRQ_MAX \
+ | ERTS_PDSFLG_IN_CPU_PRQ_HIGH \
+ | ERTS_PDSFLG_IN_CPU_PRQ_NORMAL\
+ | ERTS_PDSFLG_IN_CPU_PRQ_LOW)
+#endif
+
/*
* Static flags that do not change after process creation.
@@ -1222,12 +1243,16 @@ void erts_check_for_holes(Process* p);
#define SPO_USE_ARGS 2
#define SPO_MONITOR 4
#define SPO_SYSTEM_PROC 8
+#define SPO_OFF_HEAP_MSGQ 16
+#define SPO_ON_HEAP_MSGQ 32
+
+extern int erts_default_spo_flags;
/*
* The following struct contains options for a process to be spawned.
*/
typedef struct {
- Uint flags;
+ int flags;
int error_code; /* Error code returned from create_process(). */
Eterm mref; /* Monitor ref returned (if SPO_MONITOR was given). */
@@ -1267,7 +1292,6 @@ Eterm* erts_heap_alloc(Process* p, Uint need, Uint xtra);
Eterm* erts_set_hole_marker(Eterm* ptr, Uint sz);
#endif
-extern Uint erts_default_process_flags;
extern erts_smp_rwmtx_t erts_cpu_bind_rwmtx;
/* If any of the erts_system_monitor_* variables are set (enabled),
** erts_system_monitor must be != NIL, to allow testing on just
@@ -1309,7 +1333,23 @@ extern int erts_system_profile_ts_type;
#define F_HAVE_BLCKD_MSCHED (1 << 8) /* Process has blocked multi-scheduling */
#define F_P2PNR_RESCHED (1 << 9) /* Process has been rescheduled via erts_pid2proc_not_running() */
#define F_FORCE_GC (1 << 10) /* Force gc at process in-scheduling */
-#define F_DISABLE_GC (1 << 11) /* Disable GC */
+#define F_DISABLE_GC (1 << 11) /* Disable GC (see below) */
+#define F_OFF_HEAP_MSGQ (1 << 12) /* Off heap msg queue */
+#define F_ON_HEAP_MSGQ (1 << 13) /* Off heap msg queue */
+#define F_OFF_HEAP_MSGQ_CHNG (1 << 14) /* Off heap msg queue changing */
+#define F_ABANDONED_HEAP_USE (1 << 15) /* Have usage of abandoned heap */
+#define F_DELAY_GC (1 << 16) /* Similar to disable GC (see below) */
+
+/*
+ * F_DISABLE_GC and F_DELAY_GC are similar. Both will prevent
+ * GC of the process, but it is important to use the right
+ * one:
+ * - F_DISABLE_GC should *only* be used by BIFs. This when
+ * the BIF needs to yield while preventig a GC.
+ * - F_DELAY_GC should only be used when GC is temporarily
+ * disabled while the process is scheduled. A process must
+ * not be scheduled out while F_DELAY_GC is set.
+ */
#define ERTS_TRACE_FLAGS_TS_TYPE_SHIFT 0
@@ -1672,6 +1712,7 @@ void erts_schedule_thr_prgr_later_cleanup_op(void (*)(void *),
void *,
ErtsThrPrgrLaterOp *,
UWord);
+void erts_schedule_complete_off_heap_message_queue_change(Eterm pid);
#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)
int erts_dbg_check_halloc_lock(Process *p);
@@ -1701,11 +1742,8 @@ Eterm erts_multi_scheduling_blockers(Process *);
void erts_start_schedulers(void);
void erts_alloc_notify_delayed_dealloc(int);
void erts_alloc_ensure_handle_delayed_dealloc_call(int);
-#ifdef ERTS_SMP
void erts_notify_canceled_timer(ErtsSchedulerData *, int);
#endif
-void erts_smp_notify_check_children_needed(void);
-#endif
#if ERTS_USE_ASYNC_READY_Q
void erts_notify_check_async_ready_queue(void *);
#endif
@@ -1799,7 +1837,7 @@ Uint erts_debug_nbalance(void);
int erts_debug_wait_completed(Process *c_p, int flags);
-Uint erts_process_memory(Process *c_p);
+Uint erts_process_memory(Process *c_p, int incl_msg_inq);
#ifdef ERTS_SMP
# define ERTS_GET_SCHEDULER_DATA_FROM_PROC(PROC) ((PROC)->scheduler_data)
@@ -2109,6 +2147,22 @@ ERTS_GLB_INLINE void erts_smp_xrunq_unlock(ErtsRunQueue *rq, ErtsRunQueue *xrq);
ERTS_GLB_INLINE void erts_smp_runqs_lock(ErtsRunQueue *rq1, ErtsRunQueue *rq2);
ERTS_GLB_INLINE void erts_smp_runqs_unlock(ErtsRunQueue *rq1, ErtsRunQueue *rq2);
+ERTS_GLB_INLINE ErtsMessage *erts_alloc_message_heap_state(Process *pp,
+ erts_aint32_t *psp,
+ ErtsProcLocks *plp,
+ Uint sz,
+ Eterm **hpp,
+ ErlOffHeap **ohpp);
+ERTS_GLB_INLINE ErtsMessage *erts_alloc_message_heap(Process *pp,
+ ErtsProcLocks *plp,
+ Uint sz,
+ Eterm **hpp,
+ ErlOffHeap **ohpp);
+
+ERTS_GLB_INLINE void erts_shrink_message_heap(ErtsMessage **msgpp, Process *pp,
+ Eterm *start_hp, Eterm *used_hp, Eterm *end_hp,
+ Eterm *brefs, Uint brefs_size);
+
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE
@@ -2257,6 +2311,63 @@ erts_smp_runqs_unlock(ErtsRunQueue *rq1, ErtsRunQueue *rq2)
#endif
}
+ERTS_GLB_INLINE ErtsMessage *
+erts_alloc_message_heap_state(Process *pp,
+ erts_aint32_t *psp,
+ ErtsProcLocks *plp,
+ Uint sz,
+ Eterm **hpp,
+ ErlOffHeap **ohpp)
+{
+ int on_heap;
+
+ if ((*psp) & ERTS_PSFLG_OFF_HEAP_MSGQ) {
+ ErtsMessage *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);
+}
+
+ERTS_GLB_INLINE ErtsMessage *
+erts_alloc_message_heap(Process *pp,
+ ErtsProcLocks *plp,
+ Uint sz,
+ Eterm **hpp,
+ ErlOffHeap **ohpp)
+{
+ erts_aint32_t state = erts_smp_atomic32_read_nob(&pp->state);
+ return erts_alloc_message_heap_state(pp, &state, plp, sz, hpp, ohpp);
+}
+
+ERTS_GLB_INLINE void
+erts_shrink_message_heap(ErtsMessage **msgpp, Process *pp,
+ Eterm *start_hp, Eterm *used_hp, Eterm *end_hp,
+ Eterm *brefs, Uint brefs_size)
+{
+ ASSERT(start_hp <= used_hp && used_hp <= end_hp);
+ if ((*msgpp)->data.attached == ERTS_MSG_COMBINED_HFRAG)
+ *msgpp = erts_shrink_message(*msgpp, used_hp - start_hp,
+ brefs, brefs_size);
+ else if (!(*msgpp)->data.attached) {
+ ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_MAIN
+ & erts_proc_lc_my_proc_locks(pp));
+ HRelease(pp, end_hp, used_hp);
+ }
+ else {
+ ErlHeapFragment *hfrag = (*msgpp)->data.heap_frag;
+ if (start_hp != used_hp)
+ hfrag = erts_resize_message_buffer(hfrag, used_hp - start_hp,
+ brefs, brefs_size);
+ else {
+ free_message_buffer(hfrag);
+ hfrag = NULL;
+ }
+ (*msgpp)->data.heap_frag = hfrag;
+ }
+}
+
#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */
ERTS_GLB_INLINE ErtsAtomCacheMap *erts_get_atom_cache_map(Process *c_p);