diff options
Diffstat (limited to 'erts/emulator')
28 files changed, 252 insertions, 180 deletions
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c index 2855241b91..2406e0e810 100644 --- a/erts/emulator/beam/beam_debug.c +++ b/erts/emulator/beam/beam_debug.c @@ -267,7 +267,7 @@ erts_debug_disassemble_1(Process* p, Eterm addr) "unknown " HEXF "\n", instr); code_ptr++; } - bin = new_binary(p, (byte *) dsbufp->str, (int) dsbufp->str_len); + bin = new_binary(p, (byte *) dsbufp->str, dsbufp->str_len); erts_destroy_tmp_dsbuf(dsbufp); hsz = 4+4; (void) erts_bld_uword(NULL, &hsz, (BeamInstr) code_ptr); diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index e96014c665..7b2aac0908 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -1023,8 +1023,6 @@ static BeamInstr* call_error_handler(Process* p, BeamInstr* ip, static BeamInstr* fixed_apply(Process* p, Eterm* reg, Uint arity) NOINLINE; static BeamInstr* apply(Process* p, Eterm module, Eterm function, Eterm args, Eterm* reg) NOINLINE; -static int hibernate(Process* c_p, Eterm module, Eterm function, - Eterm args, Eterm* reg) NOINLINE; static BeamInstr* call_fun(Process* p, int arity, Eterm* reg, Eterm args) NOINLINE; static BeamInstr* apply_fun(Process* p, Eterm fun, @@ -3421,6 +3419,9 @@ void process_main(void) r(0) = c_p->def_arg_reg[0]; x(1) = c_p->def_arg_reg[1]; x(2) = c_p->def_arg_reg[2]; + if (c_p->status == P_WAITING) { + goto do_schedule; + } Dispatch(); } reg[0] = r(0); @@ -5222,7 +5223,7 @@ void process_main(void) OpCase(i_hibernate): { SWAPOUT; - if (hibernate(c_p, r(0), x(1), x(2), reg)) { + if (erts_hibernate(c_p, r(0), x(1), x(2), reg)) { goto do_schedule; } else { I = handle_error(c_p, I, reg, hibernate_3); @@ -6199,8 +6200,8 @@ fixed_apply(Process* p, Eterm* reg, Uint arity) return ep->address; } -static int -hibernate(Process* c_p, Eterm module, Eterm function, Eterm args, Eterm* reg) +int +erts_hibernate(Process* c_p, Eterm module, Eterm function, Eterm args, Eterm* reg) { int arity; Eterm tmp; diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index bb237e378a..f01580eb2b 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2010. All Rights Reserved. + * Copyright Ericsson AB 1996-2011. 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 @@ -1091,10 +1091,20 @@ BIF_RETTYPE unlink_1(BIF_ALIST_1) BIF_RETTYPE hibernate_3(BIF_ALIST_3) { /* - * hibernate/3 is implemented as an instruction; therefore - * this function will never be called. + * hibernate/3 is usually translated to an instruction; therefore + * this function is only called from HiPE or when the call could not + * be translated. */ - BIF_ERROR(BIF_P, BADARG); + Eterm reg[3]; + + if (erts_hibernate(BIF_P, BIF_ARG_1, BIF_ARG_2, BIF_ARG_3, reg)) { + /* + * If hibernate succeeded, TRAP. The process will be suspended + * if status is P_WAITING or continue (if any message was in the queue). + */ + BIF_TRAP_CODE_PTR_(BIF_P, BIF_P->i); + } + return THE_NON_VALUE; } /**********************************************************************/ diff --git a/erts/emulator/beam/bif.h b/erts/emulator/beam/bif.h index a84ee7bb23..8faa09feb8 100644 --- a/erts/emulator/beam/bif.h +++ b/erts/emulator/beam/bif.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2010. All Rights Reserved. + * Copyright Ericsson AB 1996-2011. 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 @@ -201,6 +201,12 @@ do { \ return THE_NON_VALUE; \ } while(0) +#define BIF_TRAP_CODE_PTR_(p, Code_) do { \ + *((UWord *) (UWord) ((p)->def_arg_reg + 3)) = (UWord) (Code_); \ + (p)->freason = TRAP; \ + return THE_NON_VALUE; \ + } while(0) + extern Export bif_return_trap_export; #ifdef DEBUG #define ERTS_BIF_PREP_YIELD_RETURN_X(RET, P, VAL, DEBUG_VAL) \ diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c index 4be869f269..99c98f9e72 100644 --- a/erts/emulator/beam/binary.c +++ b/erts/emulator/beam/binary.c @@ -56,7 +56,7 @@ erts_init_binary(void) */ Eterm -new_binary(Process *p, byte *buf, int len) +new_binary(Process *p, byte *buf, Uint len) { ProcBin* pb; Binary* bptr; diff --git a/erts/emulator/beam/erl_alloc.h b/erts/emulator/beam/erl_alloc.h index 17ff9c3b03..ce792d4d17 100644 --- a/erts/emulator/beam/erl_alloc.h +++ b/erts/emulator/beam/erl_alloc.h @@ -172,9 +172,17 @@ void *erts_realloc(ErtsAlcType_t type, void *ptr, Uint size); void erts_free(ErtsAlcType_t type, void *ptr); void *erts_alloc_fnf(ErtsAlcType_t type, Uint size); void *erts_realloc_fnf(ErtsAlcType_t type, void *ptr, Uint size); +void *erts_alloc_permanent_cache_aligned(ErtsAlcType_t type, Uint size); + #endif /* #if !ERTS_ALC_DO_INLINE */ +#ifndef ERTS_CACHE_LINE_SIZE +/* Assume a cache line size of 64 bytes */ +# define ERTS_CACHE_LINE_SIZE ((UWord) 64) +# define ERTS_CACHE_LINE_MASK (ERTS_CACHE_LINE_SIZE - 1) +#endif + #if ERTS_ALC_DO_INLINE || defined(ERTS_ALC_INTERNAL__) ERTS_ALC_INLINE @@ -234,6 +242,18 @@ void *erts_realloc_fnf(ErtsAlcType_t type, void *ptr, Uint size) size); } +ERTS_ALC_INLINE +void *erts_alloc_permanent_cache_aligned(ErtsAlcType_t type, Uint size) +{ + UWord v = (UWord) erts_alloc(type, size + (ERTS_CACHE_LINE_SIZE-1)); + + if (v & ERTS_CACHE_LINE_MASK) { + v = (v & ~ERTS_CACHE_LINE_MASK) + ERTS_CACHE_LINE_SIZE; + } + ASSERT((v & ERTS_CACHE_LINE_MASK) == 0); + return (void*)v; +} + #endif /* #if ERTS_ALC_DO_INLINE || defined(ERTS_ALC_INTERNAL__) */ typedef void (*erts_alloc_verify_func_t)(Allctr_t *); @@ -241,11 +261,6 @@ typedef void (*erts_alloc_verify_func_t)(Allctr_t *); erts_alloc_verify_func_t erts_alloc_get_verify_unused_temp_alloc(Allctr_t **allctr); -#ifndef ERTS_CACHE_LINE_SIZE -/* Assume a cache line size of 64 bytes */ -# define ERTS_CACHE_LINE_SIZE ((UWord) 64) -# define ERTS_CACHE_LINE_MASK (ERTS_CACHE_LINE_SIZE - 1) -#endif #define ERTS_ALC_CACHE_LINE_ALIGN_SIZE(SZ) \ (((((SZ) - 1) / ERTS_CACHE_LINE_SIZE) + 1) * ERTS_CACHE_LINE_SIZE) diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 4a717d7271..a7b5920425 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -1545,7 +1545,7 @@ process_info_aux(Process *BIF_P, case am_backtrace: { erts_dsprintf_buf_t *dsbufp = erts_create_tmp_dsbuf(0); erts_stack_dump(ERTS_PRINT_DSBUF, (void *) dsbufp, rp); - res = new_binary(BIF_P, (byte *) dsbufp->str, (int) dsbufp->str_len); + res = new_binary(BIF_P, (byte *) dsbufp->str, dsbufp->str_len); erts_destroy_tmp_dsbuf(dsbufp); hp = HAlloc(BIF_P, 3); break; @@ -2074,7 +2074,7 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN); ASSERT(dsbufp && dsbufp->str); - res = new_binary(BIF_P, (byte *) dsbufp->str, (int) dsbufp->str_len); + res = new_binary(BIF_P, (byte *) dsbufp->str, dsbufp->str_len); erts_destroy_info_dsbuf(dsbufp); BIF_RET(res); } else if (ERTS_IS_ATOM_STR("dist_ctrl", BIF_ARG_1)) { diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index 5b74240cc3..61e8a595be 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -2773,17 +2773,10 @@ void init_db(void) rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ; rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED; - meta_main_tab_locks = erts_alloc(ERTS_ALC_T_DB_TABLES, - (sizeof(erts_meta_main_tab_lock_t) - * (ERTS_META_MAIN_TAB_LOCK_TAB_SIZE+1))); - - if ((((UWord) meta_main_tab_locks) & ERTS_CACHE_LINE_MASK) != 0) - meta_main_tab_locks = ((erts_meta_main_tab_lock_t *) - ((((UWord) meta_main_tab_locks) - & ~ERTS_CACHE_LINE_MASK) - + ERTS_CACHE_LINE_SIZE)); - - ASSERT((((UWord) meta_main_tab_locks) & ERTS_CACHE_LINE_MASK) == 0); + meta_main_tab_locks = + erts_alloc_permanent_cache_aligned(ERTS_ALC_T_DB_TABLES, + sizeof(erts_meta_main_tab_lock_t) + * ERTS_META_MAIN_TAB_LOCK_TAB_SIZE); for (i = 0; i < ERTS_META_MAIN_TAB_LOCK_TAB_SIZE; i++) { erts_smp_rwmtx_init_opt_x(&meta_main_tab_locks[i].rwmtx, &rwmtx_opt, diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c index d3e31da413..0b63ab9ba0 100644 --- a/erts/emulator/beam/erl_db_util.c +++ b/erts/emulator/beam/erl_db_util.c @@ -2162,7 +2162,8 @@ restart: case matchProcessDump: { erts_dsprintf_buf_t *dsbufp = erts_create_tmp_dsbuf(0); print_process_info(ERTS_PRINT_DSBUF, (void *) dsbufp, c_p); - *esp++ = new_binary(build_proc, (byte *)dsbufp->str, (int)dsbufp->str_len); + *esp++ = new_binary(build_proc, (byte *)dsbufp->str, + dsbufp->str_len); erts_destroy_tmp_dsbuf(dsbufp); break; } diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 2aa932e7d1..d9150d86fe 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2002-2010. All Rights Reserved. + * Copyright Ericsson AB 2002-2011. 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 @@ -33,6 +33,7 @@ #include "erl_gc.h" #if HIPE #include "hipe_stack.h" +#include "hipe_mode_switch.h" #endif #define ERTS_INACT_WR_PB_LEAVE_MUCH_LIMIT 1 @@ -486,6 +487,9 @@ erts_garbage_collect_hibernate(Process* p) htop = heap; n = setup_rootset(p, p->arg_reg, p->arity, &rootset); +#if HIPE + hipe_empty_nstack(p); +#endif src = (char *) p->heap; src_size = (char *) p->htop - src; diff --git a/erts/emulator/beam/erl_nmgc.c b/erts/emulator/beam/erl_nmgc.c index 626d4e295a..60424ba58a 100644 --- a/erts/emulator/beam/erl_nmgc.c +++ b/erts/emulator/beam/erl_nmgc.c @@ -26,7 +26,6 @@ #include "erl_nmgc.h" #include "erl_debug.h" #if HIPE -#include "hipe_bif0.h" /* for hipe_constants_{start,next} */ #include "hipe_stack.h" #endif diff --git a/erts/emulator/beam/erl_port_task.h b/erts/emulator/beam/erl_port_task.h index 714b4ea7dd..49a0b4c63a 100644 --- a/erts/emulator/beam/erl_port_task.h +++ b/erts/emulator/beam/erl_port_task.h @@ -102,6 +102,7 @@ erts_port_task_init_sched(ErtsPortTaskSched *ptsp) ERTS_GLB_INLINE int erts_port_task_have_outstanding_io_tasks(void) { + ERTS_THR_MEMORY_BARRIER; return erts_smp_atomic_read(&erts_port_task_outstanding_io_tasks) != 0; } diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 4d6e982325..428ca12eb1 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -622,14 +622,10 @@ init_misc_aux_work(void) init_misc_aux_work_alloc(); - misc_aux_work_queues = erts_alloc(ERTS_ALC_T_MISC_AUX_WORK_Q, - (sizeof(erts_algnd_misc_aux_work_q_t) - *(erts_no_schedulers+1))); - if ((((UWord) misc_aux_work_queues) & ERTS_CACHE_LINE_MASK) != 0) - misc_aux_work_queues = ((erts_algnd_misc_aux_work_q_t *) - ((((UWord) misc_aux_work_queues) - & ~ERTS_CACHE_LINE_MASK) - + ERTS_CACHE_LINE_SIZE)); + misc_aux_work_queues = + erts_alloc_permanent_cache_aligned(ERTS_ALC_T_MISC_AUX_WORK_Q, + erts_no_schedulers * + sizeof(erts_algnd_misc_aux_work_q_t)); for (ix = 0; ix < erts_no_schedulers; ix++) { erts_smp_mtx_init_x(&misc_aux_work_queues[ix].data.mtx, @@ -815,15 +811,31 @@ erts_active_schedulers(void) return as; } +#ifdef ERTS_SMP + +static ERTS_INLINE void +clear_sys_scheduling(void) +{ + erts_smp_atomic32_set_relb(&doing_sys_schedule, 0); +} + +static ERTS_INLINE int +try_set_sys_scheduling(void) +{ + return 0 == erts_smp_atomic32_cmpxchg_acqb(&doing_sys_schedule, 1, 0); +} + +#endif + static ERTS_INLINE int prepare_for_sys_schedule(void) { #ifdef ERTS_SMP while (!erts_port_task_have_outstanding_io_tasks() - && !erts_smp_atomic32_xchg(&doing_sys_schedule, 1)) { + && try_set_sys_scheduling()) { if (!erts_port_task_have_outstanding_io_tasks()) return 1; - erts_smp_atomic32_set(&doing_sys_schedule, 0); + clear_sys_scheduling(); } return 0; #else @@ -1153,7 +1165,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) * call erl_sys_schedule() until it is handled. */ if (erts_port_task_have_outstanding_io_tasks()) { - erts_smp_atomic32_set(&doing_sys_schedule, 0); + clear_sys_scheduling(); /* * Got to check that we still got I/O tasks; otherwise * we have to continue checking for I/O... @@ -1172,7 +1184,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) * sleep in erl_sys_schedule(). */ if (erts_port_task_have_outstanding_io_tasks()) { - erts_smp_atomic32_set(&doing_sys_schedule, 0); + clear_sys_scheduling(); /* * Got to check that we still got I/O tasks; otherwise @@ -1226,7 +1238,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) sys_woken: erts_smp_runq_lock(rq); sys_locked_woken: - erts_smp_atomic32_set(&doing_sys_schedule, 0); + clear_sys_scheduling(); if (flgs & ~ERTS_SSI_FLG_SUSPENDED) erts_smp_atomic32_band(&ssi->flags, ERTS_SSI_FLG_SUSPENDED); sched_active_sys(esdp->no, rq); @@ -1289,6 +1301,7 @@ wake_scheduler(ErtsRunQueue *rq, int incq, int one) res = sl->list != NULL; erts_smp_spin_unlock(&sl->lock); + ERTS_THR_MEMORY_BARRIER; flgs = ssi_flags_set_wake(ssi); erts_sched_finish_poke(ssi, flgs); @@ -1298,6 +1311,8 @@ wake_scheduler(ErtsRunQueue *rq, int incq, int one) else { sl->list = NULL; erts_smp_spin_unlock(&sl->lock); + + ERTS_THR_MEMORY_BARRIER; do { ErtsSchedulerSleepInfo *wake_ssi = ssi; ssi = ssi->next; @@ -2515,16 +2530,9 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online) n = (int) (mrq ? no_schedulers : 1); - erts_aligned_run_queues = erts_alloc(ERTS_ALC_T_RUNQS, - (sizeof(ErtsAlignedRunQueue)*(n+1))); - if ((((UWord) erts_aligned_run_queues) & ERTS_CACHE_LINE_MASK) != 0) - erts_aligned_run_queues = ((ErtsAlignedRunQueue *) - ((((UWord) erts_aligned_run_queues) - & ~ERTS_CACHE_LINE_MASK) - + ERTS_CACHE_LINE_SIZE)); - - ASSERT((((UWord) erts_aligned_run_queues) & ERTS_CACHE_LINE_MASK) == 0); - + erts_aligned_run_queues = + erts_alloc_permanent_cache_aligned(ERTS_ALC_T_RUNQS, + sizeof(ErtsAlignedRunQueue) * n); #ifdef ERTS_SMP erts_smp_atomic32_init(&no_empty_run_queues, 0); #endif @@ -2619,14 +2627,10 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online) #ifdef ERTS_SMP /* Create and initialize scheduler sleep info */ - aligned_sched_sleep_info = erts_alloc(ERTS_ALC_T_SCHDLR_SLP_INFO, - (sizeof(ErtsAlignedSchedulerSleepInfo) - *(n+1))); - if ((((UWord) aligned_sched_sleep_info) & ERTS_CACHE_LINE_MASK) == 0) - aligned_sched_sleep_info = ((ErtsAlignedSchedulerSleepInfo *) - ((((UWord) aligned_sched_sleep_info) - & ~ERTS_CACHE_LINE_MASK) - + ERTS_CACHE_LINE_SIZE)); + aligned_sched_sleep_info = + erts_alloc_permanent_cache_aligned(ERTS_ALC_T_SCHDLR_SLP_INFO, + n * sizeof(ErtsAlignedSchedulerSleepInfo)); + for (ix = 0; ix < n; ix++) { ErtsSchedulerSleepInfo *ssi = ERTS_SCHED_SLEEP_INFO_IX(ix); #if 0 /* no need to initialize these... */ @@ -2641,16 +2645,9 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online) /* Create and initialize scheduler specific data */ - erts_aligned_scheduler_data = erts_alloc(ERTS_ALC_T_SCHDLR_DATA, - (sizeof(ErtsAlignedSchedulerData) - *(n+1))); - if ((((UWord) erts_aligned_scheduler_data) & ERTS_CACHE_LINE_MASK) != 0) - erts_aligned_scheduler_data = ((ErtsAlignedSchedulerData *) - ((((UWord) erts_aligned_scheduler_data) - & ~ERTS_CACHE_LINE_MASK) - + ERTS_CACHE_LINE_SIZE)); - - ASSERT((((UWord) erts_aligned_scheduler_data) & ERTS_CACHE_LINE_MASK) == 0); + erts_aligned_scheduler_data = + erts_alloc_permanent_cache_aligned(ERTS_ALC_T_SCHDLR_DATA, + n*sizeof(ErtsAlignedSchedulerData)); for (ix = 0; ix < n; ix++) { ErtsSchedulerData *esdp = ERTS_SCHEDULER_IX(ix); @@ -5371,7 +5368,7 @@ Process *schedule(Process *p, int calls) if (dt) erts_bump_timer(dt); #ifdef ERTS_SMP erts_smp_runq_lock(rq); - erts_smp_atomic32_set(&doing_sys_schedule, 0); + clear_sys_scheduling(); goto continue_check_activities_to_run; #else if (!runnable) diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index e871a9834a..8f78a7d76e 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -1592,7 +1592,9 @@ ERTS_GLB_INLINE void erts_sched_poke(ErtsSchedulerSleepInfo *ssi); ERTS_GLB_INLINE void erts_sched_poke(ErtsSchedulerSleepInfo *ssi) { - erts_aint32_t flags = erts_smp_atomic32_read(&ssi->flags); + erts_aint32_t flags; + ERTS_THR_MEMORY_BARRIER; + flags = erts_smp_atomic32_read(&ssi->flags); ASSERT(!(flags & ERTS_SSI_FLG_SLEEPING) || (flags & ERTS_SSI_FLG_WAITING)); if (flags & ERTS_SSI_FLG_SLEEPING) { diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c index 328aa2be6a..b2cf685cf1 100644 --- a/erts/emulator/beam/external.c +++ b/erts/emulator/beam/external.c @@ -1264,7 +1264,7 @@ external_size_1(Process* p, Eterm Term) Eterm erts_term_to_binary(Process* p, Eterm Term, int level, Uint flags) { - int size; + Uint size; Eterm bin; size_t real_size; byte* endp; diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index bd540eaaa6..432bdd705b 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -834,7 +834,7 @@ do { \ void erts_emasculate_writable_binary(ProcBin* pb); Eterm erts_new_heap_binary(Process *p, byte *buf, int len, byte** datap); Eterm erts_new_mso_binary(Process*, byte*, int); -Eterm new_binary(Process*, byte*, int); +Eterm new_binary(Process*, byte*, Uint); Eterm erts_realloc_binary(Eterm bin, size_t size); /* erl_bif_info.c */ @@ -1700,6 +1700,7 @@ Uint erts_current_reductions(Process* current, Process *p); int erts_print_system_version(int to, void *arg, Process *c_p); +int erts_hibernate(Process* c_p, Eterm module, Eterm function, Eterm args, Eterm* reg); #define seq_trace_output(token, msg, type, receiver, process) \ seq_trace_output_generic((token), (msg), (type), (receiver), (process), NIL) #define seq_trace_output_exit(token, msg, type, receiver, exitfrom) \ diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c index 2a877d8ace..4205b05831 100644 --- a/erts/emulator/hipe/hipe_bif0.c +++ b/erts/emulator/hipe/hipe_bif0.c @@ -450,52 +450,13 @@ BIF_RETTYPE hipe_bifs_alloc_data_2(BIF_ALIST_2) } /* - * Memory area for constant Erlang terms. - * - * These constants must not be forwarded by the gc. - * Therefore, the gc needs to be able to distinguish between - * collectible objects and constants. Unfortunately, an Erlang - * process' collectible objects are scattered around in two - * heaps and a list of message buffers, so testing "is X a - * collectible object?" can be expensive. - * - * Instead, constants are placed in a single contiguous area, - * which allows for an inexpensive "is X a constant?" test. - * - * XXX: Allow this area to be grown. + * Statistics on hipe constants: size of HiPE constants, in words. */ - -/* not static, needed by garbage collector */ -Eterm *hipe_constants_start = NULL; -Eterm *hipe_constants_next = NULL; -static unsigned constants_avail_words = 0; -#define CONSTANTS_BYTES (1536*1024*sizeof(Eterm)) /* 1.5 M words */ - -static Eterm *constants_alloc(unsigned nwords) -{ - Eterm *next; - - /* initialise at the first call */ - if ((next = hipe_constants_next) == NULL) { - next = (Eterm*)erts_alloc(ERTS_ALC_T_HIPE, CONSTANTS_BYTES); - hipe_constants_start = next; - hipe_constants_next = next; - constants_avail_words = CONSTANTS_BYTES / sizeof(Eterm); - } - if (nwords > constants_avail_words) { - fprintf(stderr, "Native code constants pool depleted!\r\n"); - /* Must terminate immediately. erl_exit() seems to - continue running some code which then SIGSEGVs. */ - exit(1); - } - constants_avail_words -= nwords; - hipe_constants_next = next + nwords; - return next; -} +unsigned int hipe_constants_size = 0; BIF_RETTYPE hipe_bifs_constants_size_0(BIF_ALIST_0) { - BIF_RET(make_small(hipe_constants_next - hipe_constants_start)); + BIF_RET(make_small(hipe_constants_size)); } /* @@ -526,14 +487,17 @@ static void *const_term_alloc(void *tmpl) { Eterm obj; Uint size; + Uint alloc_size; Eterm *hp; struct const_term *p; obj = (Eterm)tmpl; ASSERT(is_not_immed(obj)); size = size_object(obj); + alloc_size = size + (offsetof(struct const_term, mem)/sizeof(Eterm)); + hipe_constants_size += alloc_size; - p = (struct const_term*)constants_alloc(size + (offsetof(struct const_term, mem)/sizeof(Eterm))); + p = (struct const_term*)erts_alloc(ERTS_ALC_T_HIPE, alloc_size * sizeof(Eterm)); /* I have absolutely no idea if having a private 'off_heap' works or not. _Some_ off_heap object is required for diff --git a/erts/emulator/hipe/hipe_bif0.h b/erts/emulator/hipe/hipe_bif0.h index ed27d5616a..a283ffe803 100644 --- a/erts/emulator/hipe/hipe_bif0.h +++ b/erts/emulator/hipe/hipe_bif0.h @@ -26,10 +26,6 @@ extern Uint *hipe_bifs_find_pc_from_mfa(Eterm mfa); -/* shared with ggc.c -- NOT an official API */ -extern Eterm *hipe_constants_start; -extern Eterm *hipe_constants_next; - extern void hipe_mfa_info_table_init(void); extern void *hipe_get_remote_na(Eterm m, Eterm f, unsigned int a); extern Eterm hipe_find_na_or_make_stub(Process*, Eterm, Eterm, Eterm); diff --git a/erts/emulator/hipe/hipe_bif2.c b/erts/emulator/hipe/hipe_bif2.c index f992b758be..e5a236ce69 100644 --- a/erts/emulator/hipe/hipe_bif2.c +++ b/erts/emulator/hipe/hipe_bif2.c @@ -33,7 +33,6 @@ #include "big.h" #include "hipe_debug.h" #include "hipe_mode_switch.h" -#include "hipe_bif0.h" /* hipe_constants_{start,next} */ #include "hipe_arch.h" #include "hipe_stack.h" @@ -124,18 +123,6 @@ BIF_RETTYPE hipe_bifs_show_term_1(BIF_ALIST_1) BIF_RET(am_true); } -BIF_RETTYPE hipe_bifs_show_literals_0(BIF_ALIST_0) -{ - Eterm *p; - - p = hipe_constants_start; - for (; p < hipe_constants_next; ++p) - printf("0x%0*lx: 0x%0*lx\r\n", - 2*(int)sizeof(long), (unsigned long)p, - 2*(int)sizeof(long), *p); - BIF_RET(am_true); -} - BIF_RETTYPE hipe_bifs_in_native_0(BIF_ALIST_0) { BIF_RET(am_false); diff --git a/erts/emulator/hipe/hipe_bif2.tab b/erts/emulator/hipe/hipe_bif2.tab index d8d627e370..9578b69e27 100644 --- a/erts/emulator/hipe/hipe_bif2.tab +++ b/erts/emulator/hipe/hipe_bif2.tab @@ -26,7 +26,6 @@ bif hipe_bifs:show_nstack/1 bif hipe_bifs:nstack_used_size/0 bif hipe_bifs:show_pcb/1 bif hipe_bifs:show_term/1 -bif hipe_bifs:show_literals/0 bif hipe_bifs:in_native/0 bif hipe_bifs:modeswitch_debug_on/0 bif hipe_bifs:modeswitch_debug_off/0 diff --git a/erts/emulator/hipe/hipe_gc.c b/erts/emulator/hipe/hipe_gc.c index 6c9e1d9ba7..6dd296d027 100644 --- a/erts/emulator/hipe/hipe_gc.c +++ b/erts/emulator/hipe/hipe_gc.c @@ -28,7 +28,6 @@ #include "hipe_stack.h" #include "hipe_gc.h" -#include "hipe_bif0.h" /* for hipe_constants_{start,next} */ Eterm *fullsweep_nstack(Process *p, Eterm *n_htop) { diff --git a/erts/emulator/hipe/hipe_mode_switch.c b/erts/emulator/hipe/hipe_mode_switch.c index e5de244d25..53ebcd4008 100644 --- a/erts/emulator/hipe/hipe_mode_switch.c +++ b/erts/emulator/hipe/hipe_mode_switch.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2001-2009. All Rights Reserved. + * Copyright Ericsson AB 2001-2011. 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 @@ -208,6 +208,8 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[]) #endif p->i = NULL; + /* Set current_function to undefined. stdlib hibernate tests rely on it. */ + p->current = NULL; DPRINTF("cmd == %#x (%s)", cmd, code_str(cmd)); HIPE_CHECK_PCB(p); @@ -322,20 +324,31 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[]) * We need to remove the BIF's parameters from the native * stack: to this end hipe_${ARCH}_glue.S stores the BIF's * arity in p->hipe.narity. + * + * If the BIF emptied the stack (typically hibernate), p->hipe.nsp is + * NULL and there is no need to get rid of stacked parameters. */ - unsigned int i, is_recursive, callee_arity; + unsigned int i, is_recursive = 0; /* Save p->arity, then update it with the original BIF's arity. Get rid of any stacked parameters in that call. */ /* XXX: hipe_call_from_native_is_recursive() copies data to reg[], which is useless in the TRAP case. Maybe write a specialised hipe_trap_from_native_is_recursive() later. */ - callee_arity = p->arity; - p->arity = p->hipe.narity; /* caller's arity */ - is_recursive = hipe_call_from_native_is_recursive(p, reg); - - p->i = (Eterm *)(p->def_arg_reg[3]); - p->arity = callee_arity; + if (p->hipe.nsp != NULL) { + unsigned int callee_arity; + callee_arity = p->arity; + p->arity = p->hipe.narity; /* caller's arity */ + is_recursive = hipe_call_from_native_is_recursive(p, reg); + + p->i = (Eterm *)(p->def_arg_reg[3]); + p->arity = callee_arity; + } + + /* If process is in P_WAITING state, we schedule the next process */ + if (p->status == P_WAITING) { + goto do_schedule; + } for (i = 0; i < p->arity; ++i) reg[i] = p->def_arg_reg[i]; @@ -592,6 +605,17 @@ void hipe_inc_nstack(Process *p) } #endif +void hipe_empty_nstack(Process *p) +{ + if (p->hipe.nstack) { + erts_free(ERTS_ALC_T_HIPE, p->hipe.nstack); + } + p->hipe.nstgraylim = NULL; + p->hipe.nsp = NULL; + p->hipe.nstack = NULL; + p->hipe.nstend = NULL; +} + static void hipe_check_nstack(Process *p, unsigned nwords) { while (hipe_nstack_avail(p) < nwords) diff --git a/erts/emulator/hipe/hipe_mode_switch.h b/erts/emulator/hipe/hipe_mode_switch.h index 187b9145e2..e0c6c1b5f5 100644 --- a/erts/emulator/hipe/hipe_mode_switch.h +++ b/erts/emulator/hipe/hipe_mode_switch.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2001-2009. All Rights Reserved. + * Copyright Ericsson AB 2001-2011. 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 @@ -54,6 +54,7 @@ void hipe_mode_switch_init(void); void hipe_set_call_trap(Uint *bfun, void *nfun, int is_closure); Process *hipe_mode_switch(Process*, unsigned, Eterm*); void hipe_inc_nstack(Process *p); +void hipe_empty_nstack(Process *p); void hipe_set_closure_stub(ErlFunEntry *fe, unsigned num_free); Eterm hipe_build_stacktrace(Process *p, struct StackTrace *s); diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c index 8421eb415c..ceb290b644 100644 --- a/erts/emulator/sys/common/erl_mseg.c +++ b/erts/emulator/sys/common/erl_mseg.c @@ -125,6 +125,9 @@ static int mmap_fd; #error "Not supported" #endif /* #if HAVE_MMAP */ +#if defined(ERTS_MSEG_FAKE_SEGMENTS) && HALFWORD_HEAP +# warning "ERTS_MSEG_FAKE_SEGMENTS will only be used for high memory segments" +#endif #if defined(ERTS_MSEG_FAKE_SEGMENTS) #undef CAN_PARTLY_DESTROY @@ -334,9 +337,6 @@ mseg_create(MemKind* mk, Uint size) ASSERT(size % page_size == 0); -#if defined(ERTS_MSEG_FAKE_SEGMENTS) - seg = erts_sys_alloc(ERTS_ALC_N_INVALID, NULL, size); -#elif HAVE_MMAP #if HALFWORD_HEAP if (mk == &low_mem) { seg = pmmap(size); @@ -348,14 +348,19 @@ mseg_create(MemKind* mk, Uint size) else #endif { - seg = (void *) mmap((void *) 0, (size_t) size, - MMAP_PROT, MMAP_FLAGS, MMAP_FD, 0); - if (seg == (void *) MAP_FAILED) - seg = NULL; - } +#if defined(ERTS_MSEG_FAKE_SEGMENTS) + seg = erts_sys_alloc(ERTS_ALC_N_INVALID, NULL, size); +#elif HAVE_MMAP + { + seg = (void *) mmap((void *) 0, (size_t) size, + MMAP_PROT, MMAP_FLAGS, MMAP_FD, 0); + if (seg == (void *) MAP_FAILED) + seg = NULL; + } #else -#error "Missing mseg_create() implementation" +# error "Missing mseg_create() implementation" #endif + } INC_CC(create); @@ -365,9 +370,6 @@ mseg_create(MemKind* mk, Uint size) static ERTS_INLINE void mseg_destroy(MemKind* mk, void *seg, Uint size) { -#if defined(ERTS_MSEG_FAKE_SEGMENTS) - erts_sys_free(ERTS_ALC_N_INVALID, NULL, seg); -#elif HAVE_MMAP int res; #if HALFWORD_HEAP @@ -377,14 +379,18 @@ mseg_destroy(MemKind* mk, void *seg, Uint size) else #endif { +#ifdef ERTS_MSEG_FAKE_SEGMENTS + erts_sys_free(ERTS_ALC_N_INVALID, NULL, seg); + res = 0; +#elif HAVE_MMAP res = munmap((void *) seg, size); +#else +# error "Missing mseg_destroy() implementation" +#endif } ASSERT(size % page_size == 0); ASSERT(res == 0); -#else -#error "Missing mseg_destroy() implementation" -#endif INC_CC(destroy); @@ -400,9 +406,6 @@ mseg_recreate(MemKind* mk, void *old_seg, Uint old_size, Uint new_size) ASSERT(old_size % page_size == 0); ASSERT(new_size % page_size == 0); -#if defined(ERTS_MSEG_FAKE_SEGMENTS) - new_seg = erts_sys_realloc(ERTS_ALC_N_INVALID, NULL, old_seg, new_size); -#elif HAVE_MREMAP #if HALFWORD_HEAP if (mk == &low_mem) { new_seg = (void *) pmremap((void *) old_seg, @@ -412,6 +415,10 @@ mseg_recreate(MemKind* mk, void *old_seg, Uint old_size, Uint new_size) else #endif { +#if defined(ERTS_MSEG_FAKE_SEGMENTS) + new_seg = erts_sys_realloc(ERTS_ALC_N_INVALID, NULL, old_seg, new_size); +#elif HAVE_MREMAP + #if defined(__NetBSD__) new_seg = (void *) mremap((void *) old_seg, (size_t) old_size, @@ -426,10 +433,10 @@ mseg_recreate(MemKind* mk, void *old_seg, Uint old_size, Uint new_size) #endif if (new_seg == (void *) MAP_FAILED) new_seg = NULL; - } #else #error "Missing mseg_recreate() implementation" #endif + } INC_CC(recreate); @@ -726,6 +733,7 @@ mseg_alloc(ErtsAlcType_t atype, Uint *size_p, const ErtsMsegOpt_t *opt) if (seg) ERTS_MSEG_ALLOC_STAT(mk,size); + return seg; } @@ -1685,11 +1693,14 @@ static void *do_map(void *ptr, size_t sz) return NULL; } - +#if HAVE_MMAP res = mmap(ptr, sz, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1 , 0); +#else +# error "Missing mmap support" +#endif if (res == MAP_FAILED) { #ifdef HARDDEBUG @@ -1789,10 +1800,19 @@ static int initialize_pmmap(void) MAP_NORESERVE | EXTRA_MAP_FLAGS, -1 , 0); #ifdef HARDDEBUG - printf("rsz = %ld, pages = %ld, rptr = %p\r\n", - (unsigned long) rsz, (unsigned long) (rsz / pagsz), - (void *) rptr); + printf("p=%p, rsz = %ld, pages = %ld, got range = %p -> %p\r\n", + p, (unsigned long) rsz, (unsigned long) (rsz / pagsz), + (void *) rptr, (void*)(rptr + rsz)); #endif + if ((UWord)(rptr + rsz) > RANGE_MAX) { + size_t rsz_trunc = RANGE_MAX - (UWord)rptr; +#ifdef HARDDEBUG + printf("Reducing mmap'ed memory from %lu to %lu Mb, reduced range = %p -> %p\r\n", + rsz/(1024*1024), rsz_trunc/(1024*1024), rptr, rptr+rsz_trunc); +#endif + munmap((void*)RANGE_MAX, rsz - rsz_trunc); + rsz = rsz_trunc; + } if (!do_map(rptr,pagsz)) { erl_exit(1,"Could not actually mmap first page for halfword emulator...\n"); } diff --git a/erts/emulator/sys/common/erl_poll.c b/erts/emulator/sys/common/erl_poll.c index 77ac2de5f6..3ae5b8d747 100644 --- a/erts/emulator/sys/common/erl_poll.c +++ b/erts/emulator/sys/common/erl_poll.c @@ -347,6 +347,7 @@ reset_wakeup_state(ErtsPollSet ps) { #ifdef ERTS_SMP erts_atomic32_set(&ps->wakeup_state, ERTS_POLL_NOT_WOKEN); + ERTS_THR_MEMORY_BARRIER; #elif ERTS_POLL_ASYNC_INTERRUPT_SUPPORT ps->wakeup_state = 0; #endif diff --git a/erts/emulator/sys/win32/erl_poll.c b/erts/emulator/sys/win32/erl_poll.c index 1f2877b682..7662f190ef 100644 --- a/erts/emulator/sys/win32/erl_poll.c +++ b/erts/emulator/sys/win32/erl_poll.c @@ -452,12 +452,15 @@ poll_wait_timeout(ErtsPollSet ps, SysTimeval *tvp) static ERTS_INLINE void wake_poller(ErtsPollSet ps, int io_ready) { - erts_aint32_t wakeup_state = erts_atomic32_read(&ps->wakeup_state); + erts_aint32_t wakeup_state; if (io_ready) { /* We may set the event multiple times. This is, however, harmless. */ - erts_atomic32_set(&ps->wakeup_state, ERTS_POLL_WOKEN_IO_READY); + wakeup_state = erts_atomic32_read(&ps->wakeup_state); + erts_atomic32_set_relb(&ps->wakeup_state, ERTS_POLL_WOKEN_IO_READY); } else { + ERTS_THR_MEMORY_BARRIER; + wakeup_state = erts_atomic32_read(&ps->wakeup_state); while (wakeup_state != ERTS_POLL_WOKEN_IO_READY && wakeup_state != ERTS_POLL_WOKEN_INTR) { erts_aint32_t act = erts_atomic32_cmpxchg(&ps->wakeup_state, @@ -518,6 +521,7 @@ reset_interrupt(ErtsPollSet ps) break; wakeup_state = act; } + ERTS_THR_MEMORY_BARRIER; } static ERTS_INLINE void diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile index 7259e1b84d..3afcae494d 100644 --- a/erts/emulator/test/Makefile +++ b/erts/emulator/test/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1997-2010. All Rights Reserved. +# Copyright Ericsson AB 1997-2011. 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 @@ -122,10 +122,14 @@ NO_OPT= bs_bincomp \ bs_utf \ guard +NATIVE= hibernate NO_OPT_MODULES= $(NO_OPT:%=%_no_opt_SUITE) NO_OPT_ERL_FILES= $(NO_OPT_MODULES:%=%.erl) +NATIVE_MODULES= $(NATIVE:%=%_native_SUITE) +NATIVE_ERL_FILES= $(NATIVE_MODULES:%=%.erl) + ERL_FILES= $(MODULES:%=%.erl) TARGET_FILES = $(MODULES:%=$(EBIN)/%.$(EMULATOR)) @@ -151,7 +155,7 @@ ERL_COMPILE_FLAGS += -I$(ERL_TOP)/lib/test_server/include # Targets # ---------------------------------------------------- -make_emakefile: $(NO_OPT_ERL_FILES) +make_emakefile: $(NO_OPT_ERL_FILES) $(NATIVE_ERL_FILES) # This special rule can be removed when communication with R7B nodes # is no longer supported. $(ERL_TOP)/make/make_emakefile $(ERL_COMPILE_FLAGS) +compressed -o$(EBIN) \ @@ -160,6 +164,8 @@ make_emakefile: $(NO_OPT_ERL_FILES) $(MODULES) >> $(EMAKEFILE) $(ERL_TOP)/make/make_emakefile +no_copt +no_postopt $(ERL_COMPILE_FLAGS) \ -o$(EBIN) $(NO_OPT_MODULES) >> $(EMAKEFILE) + $(ERL_TOP)/make/make_emakefile +native $(ERL_COMPILE_FLAGS) \ + -o$(EBIN) $(NATIVE_MODULES) >> $(EMAKEFILE) tests debug opt: make_emakefile erl $(ERL_MAKE_FLAGS) -make @@ -178,6 +184,9 @@ docs: %_no_opt_SUITE.erl: %_SUITE.erl sed -e 's;-module($(basename $<));-module($(basename $@));' $< > $@ +%_native_SUITE.erl: %_SUITE.erl + sed -e 's;-module($(basename $<));-module($(basename $@));' $< > $@ + # ---------------------------------------------------- # Release Target # ---------------------------------------------------- @@ -190,6 +199,7 @@ release_tests_spec: make_emakefile $(INSTALL_DATA) $(EMAKEFILE) $(TEST_SPEC_FILES) \ $(ERL_FILES) $(RELSYSDIR) $(INSTALL_DATA) $(NO_OPT_ERL_FILES) $(RELSYSDIR) + $(INSTALL_DATA) $(NATIVE_ERL_FILES) $(RELSYSDIR) chmod -f -R u+w $(RELSYSDIR) tar cf - *_SUITE_data | (cd $(RELSYSDIR); tar xf -) diff --git a/erts/emulator/test/hibernate_SUITE.erl b/erts/emulator/test/hibernate_SUITE.erl index b8dc87db7f..203fa6b48e 100644 --- a/erts/emulator/test/hibernate_SUITE.erl +++ b/erts/emulator/test/hibernate_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2003-2010. All Rights Reserved. +%% Copyright Ericsson AB 2003-2011. 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 @@ -24,16 +24,16 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, init_per_testcase/2,end_per_testcase/2, - basic/1,min_heap_size/1,bad_args/1, + basic/1,dynamic_call/1,min_heap_size/1,bad_args/1, messages_in_queue/1,undefined_mfa/1, no_heap/1]). %% Used by test cases. --export([basic_hibernator/1,messages_in_queue_restart/2, no_heap_loop/0]). +-export([basic_hibernator/1,dynamic_call_hibernator/2,messages_in_queue_restart/2, no_heap_loop/0]). suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [basic, min_heap_size, bad_args, messages_in_queue, + [basic, dynamic_call, min_heap_size, bad_args, messages_in_queue, undefined_mfa, no_heap]. groups() -> @@ -159,10 +159,47 @@ whats_up_calc(A1, A2, A3, A4, A5, A6, A7, A8, A9, Acc) -> whats_up_calc(A1-1, A2+1, A3+2, A4+3, A5+4, A6+5, A7+6, A8+7, A9+8, [A1,A2|Acc]). %%% +%%% Testing a call to erlang:hibernate/3 that the compiler and loader do not +%%% translate to an instruction. +%%% + +dynamic_call(Config) when is_list(Config) -> + Ref = make_ref(), + Info = {self(),Ref}, + ExpectedHeapSz = case erlang:system_info(heap_type) of + private -> erts_debug:size([Info]); + hybrid -> erts_debug:size([a|b]) + end, + ?line Child = spawn_link(fun() -> ?MODULE:dynamic_call_hibernator(Info, hibernate) end), + ?line hibernate_wake_up(100, ExpectedHeapSz, Child), + ?line Child ! please_quit_now, + ok. + +dynamic_call_hibernator(Info, Function) -> + {catchlevel,0} = process_info(self(), catchlevel), + receive + Any -> + dynamic_call_hibernator_msg(Any, Function, Info), + dynamic_call_hibernator(Info, Function) + end. + +dynamic_call_hibernator_msg({hibernate,_}, Function, Info) -> + catch apply(erlang, Function, [?MODULE, basic_hibernator, [Info]]), + exit(hibernate_returned); +dynamic_call_hibernator_msg(Msg, _Function, Info) -> + basic_hibernator_msg(Msg, Info). + +%%% %%% Testing setting the minimum heap size. %%% min_heap_size(Config) when is_list(Config) -> + case test_server:is_native(?MODULE) of + true -> {skip, "Test case relies on trace which is not available in HiPE"}; + false -> min_heap_size_1(Config) + end. + +min_heap_size_1(Config) when is_list(Config) -> ?line erlang:trace(new, true, [call]), MFA = {?MODULE,min_hibernator,1}, ?line 1 = erlang:trace_pattern(MFA, true, [local]), |