diff options
Diffstat (limited to 'erts/emulator/beam/erl_message.c')
| -rw-r--r-- | erts/emulator/beam/erl_message.c | 114 |
1 files changed, 73 insertions, 41 deletions
diff --git a/erts/emulator/beam/erl_message.c b/erts/emulator/beam/erl_message.c index 79739501a8..b1fca1df0c 100644 --- a/erts/emulator/beam/erl_message.c +++ b/erts/emulator/beam/erl_message.c @@ -68,6 +68,9 @@ new_message_buffer(Uint size) bp = (ErlHeapFragment*) ERTS_HEAP_ALLOC(ERTS_ALC_T_HEAP_FRAG, ERTS_HEAP_FRAG_SIZE(size)); ERTS_INIT_HEAP_FRAG(bp, size, size); +#ifdef SHCOPY_DEBUG + VERBOSE_DEBUG("[pid=%T] new message buffer %p\n", erts_get_current_pid(), bp->mem); +#endif return bp; } @@ -249,36 +252,6 @@ erts_realloc_shrink_message(ErtsMessage *mp, Uint sz, Eterm *brefs, Uint brefs_s } void -erts_link_mbuf_to_proc(Process *proc, ErlHeapFragment *first_bp) -{ - if (first_bp) { - ErlHeapFragment *bp = first_bp; - - while (1) { - /* Move any off_heap's into the process */ - if (bp->off_heap.first != NULL) { - struct erl_off_heap_header** next_p = &bp->off_heap.first; - while (*next_p != NULL) { - next_p = &((*next_p)->next); - } - *next_p = MSO(proc).first; - MSO(proc).first = bp->off_heap.first; - bp->off_heap.first = NULL; - OH_OVERHEAD(&(MSO(proc)), bp->off_heap.overhead); - } - MBUF_SIZE(proc) += bp->used_size; - if (!bp->next) - break; - bp = bp->next; - } - - /* Link the message buffer */ - bp->next = MBUF(proc); - MBUF(proc) = first_bp; - } -} - -void erts_queue_dist_message(Process *rcvr, ErtsProcLocks *rcvr_locks, ErtsDistExternal *dist_ext, @@ -540,6 +513,36 @@ erts_queue_message(Process* receiver, ErtsProcLocks *receiver_locks, ); } +void +erts_link_mbuf_to_proc(Process *proc, ErlHeapFragment *first_bp) +{ + if (first_bp) { + ErlHeapFragment *bp = first_bp; + + while (1) { + /* Move any off_heap's into the process */ + if (bp->off_heap.first != NULL) { + struct erl_off_heap_header** next_p = &bp->off_heap.first; + while (*next_p != NULL) { + next_p = &((*next_p)->next); + } + *next_p = MSO(proc).first; + MSO(proc).first = bp->off_heap.first; + bp->off_heap.first = NULL; + OH_OVERHEAD(&(MSO(proc)), bp->off_heap.overhead); + } + MBUF_SIZE(proc) += bp->used_size; + if (!bp->next) + break; + bp = bp->next; + } + + /* Link the message buffer */ + bp->next = MBUF(proc); + MBUF(proc) = first_bp; + } +} + Uint erts_msg_attached_data_size_aux(ErtsMessage *msg) { @@ -663,11 +666,15 @@ erts_send_message(Process* sender, Eterm utag = NIL; #endif erts_aint32_t receiver_state; +#ifdef SHCOPY_SEND + unsigned shflags = (flags & ERTS_SND_FLG_SHCOPY_MASK) >> ERTS_SND_FLG_SHCOPY_SHIFT; + erts_shcopy_t info; +#endif BM_STOP_TIMER(system); BM_MESSAGE(message,sender,receiver); BM_START_TIMER(send); - #ifdef USE_VM_PROBES +#ifdef USE_VM_PROBES *sender_name = *receiver_name = '\0'; if (DTRACE_ENABLED(message_send)) { erts_snprintf(sender_name, sizeof(DTRACE_CHARBUF_NAME(sender_name)), @@ -686,15 +693,23 @@ erts_send_message(Process* sender, #ifdef USE_VM_PROBES Uint dt_utag_size = 0; #endif - +#ifdef SHCOPY_SEND + unsigned shflags = (flags & ERTS_SND_FLG_SHCOPY_MASK) >> ERTS_SND_FLG_SHCOPY_SHIFT; + erts_shcopy_t info; + INITIALIZE_SHCOPY(info); +#endif BM_SWAP_TIMER(send,size); - msize = size_object(message); +#ifdef SHCOPY_SEND + INITIALIZE_SHCOPY(info); + msize = copy_shared_calculate(message, &info, shflags); +#else + msize = size_object(message); +#endif BM_SWAP_TIMER(size,send); #ifdef USE_VM_PROBES if (stoken != am_have_dt_utag) { #endif - seq_trace_update_send(sender); seq_trace_output(stoken, message, SEQ_TRACE_SEND, receiver->common.id, sender); @@ -720,14 +735,20 @@ erts_send_message(Process* sender, &ohp); BM_SWAP_TIMER(send,copy); + +#ifdef SHCOPY_SEND + if (is_not_immed(message)) + message = copy_shared_perform(message, msize, &info, &hp, ohp, shflags); + DESTROY_SHCOPY(info); +#else + if (is_not_immed(message)) + message = copy_struct(message, msize, &hp, ohp); +#endif if (is_immed(stoken)) token = stoken; else token = copy_struct(stoken, seq_trace_size, &hp, ohp); - if (is_not_immed(message)) - message = copy_struct(message, msize, &hp, ohp); - #ifdef USE_VM_PROBES if (DT_UTAG_FLAGS(sender) & DT_UTAG_SPREADING) { if (is_immed(DT_UTAG(sender))) @@ -764,7 +785,12 @@ erts_send_message(Process* sender, } else { BM_SWAP_TIMER(send,size); - msize = size_object(message); +#ifdef SHCOPY_SEND + INITIALIZE_SHCOPY(info); + msize = copy_shared_calculate(message, &info, shflags); +#else + msize = size_object(message); +#endif BM_SWAP_TIMER(size,send); mp = erts_alloc_message_heap_state(receiver, @@ -774,8 +800,14 @@ erts_send_message(Process* sender, &hp, &ohp); BM_SWAP_TIMER(send,copy); - if (is_not_immed(message)) - message = copy_struct(message, msize, &hp, ohp); +#ifdef SHCOPY_SEND + if (is_not_immed(message)) + message = copy_shared_perform(message, msize, &info, &hp, ohp, shflags); + DESTROY_SHCOPY(info); +#else + if (is_not_immed(message)) + message = copy_struct(message, msize, &hp, ohp); +#endif BM_MESSAGE_COPIED(msz); BM_SWAP_TIMER(copy,send); } @@ -800,6 +832,7 @@ erts_send_message(Process* sender, return res; } + /* * This function delivers an EXIT message to a process * which is trapping EXITs. @@ -1725,4 +1758,3 @@ void erts_factory_undo(ErtsHeapFactory* factory) factory->heap_frags = NULL; #endif } - |