diff options
Diffstat (limited to 'erts/emulator/beam/erl_bif_info.c')
| -rw-r--r-- | erts/emulator/beam/erl_bif_info.c | 88 |
1 files changed, 79 insertions, 9 deletions
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 855ef8742a..06e7dc8661 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -130,6 +130,9 @@ static char erts_system_version[] = ("Erlang/OTP " ERLANG_OTP_RELEASE #ifdef USE_SYSTEMTAP " [systemtap]" #endif +#ifdef SHCOPY + " [sharing-preserving]" +#endif "\n"); #define ASIZE(a) (sizeof(a)/sizeof(a[0])) @@ -589,7 +592,7 @@ static Eterm pi_args[] = { am_min_bin_vheap_size, am_current_location, am_current_stacktrace, - am_off_heap_message_queue, + am_message_queue_data, am_garbage_collection_info }; @@ -638,7 +641,7 @@ pi_arg2ix(Eterm arg) case am_min_bin_vheap_size: return 28; case am_current_location: return 29; case am_current_stacktrace: return 30; - case am_off_heap_message_queue: return 31; + case am_message_queue_data: return 31; case am_garbage_collection_info: return 32; default: return -1; } @@ -1524,8 +1527,22 @@ process_info_aux(Process *BIF_P, break; } - case am_off_heap_message_queue: - res = BIF_P->flags & F_OFF_HEAP_MSGQ ? am_true : am_false; + case am_message_queue_data: + switch (rp->flags & (F_OFF_HEAP_MSGQ|F_ON_HEAP_MSGQ)) { + case F_OFF_HEAP_MSGQ: + res = am_off_heap; + break; + case F_ON_HEAP_MSGQ: + res = am_on_heap; + break; + case 0: + res = am_mixed; + break; + default: + res = am_error; + ERTS_INTERNAL_ERROR("Inconsistent message queue management state"); + break; + } hp = HAlloc(BIF_P, 3); break; @@ -2690,9 +2707,18 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) BIF_RET(am_true); } #endif - else if (BIF_ARG_1 == am_off_heap_message_queue) { - BIF_RET(erts_default_spo_flags & SPO_OFF_HEAP_MSGQ - ? am_true : am_false); + else if (BIF_ARG_1 == am_message_queue_data) { + switch (erts_default_spo_flags & (SPO_ON_HEAP_MSGQ|SPO_OFF_HEAP_MSGQ)) { + case SPO_OFF_HEAP_MSGQ: + BIF_RET(am_off_heap); + case SPO_ON_HEAP_MSGQ: + BIF_RET(am_on_heap); + case 0: + BIF_RET(am_mixed); + default: + ERTS_INTERNAL_ERROR("Inconsistent message queue management state"); + BIF_RET(am_error); + } } else if (ERTS_IS_ATOM_STR("compile_info",BIF_ARG_1)) { Uint sz; @@ -3201,6 +3227,39 @@ BIF_RETTYPE statistics_1(BIF_ALIST_1) if (is_non_value(res)) BIF_RET(am_undefined); BIF_TRAP1(gather_sched_wall_time_res_trap, BIF_P, res); + } else if (BIF_ARG_1 == am_total_active_tasks + || BIF_ARG_1 == am_total_run_queue_lengths) { + Uint no = erts_run_queues_len(NULL, 0, BIF_ARG_1 == am_total_active_tasks); + if (IS_USMALL(0, no)) + res = make_small(no); + else { + Eterm *hp = HAlloc(BIF_P, BIG_UINT_HEAP_SIZE); + res = uint_to_big(no, hp); + } + BIF_RET(res); + } else if (BIF_ARG_1 == am_active_tasks + || BIF_ARG_1 == am_run_queue_lengths) { + Eterm res, *hp, **hpp; + Uint sz, *szp; + int no_qs = erts_no_run_queues; + Uint *qszs = erts_alloc(ERTS_ALC_T_TMP,sizeof(Uint)*no_qs*2); + (void) erts_run_queues_len(qszs, 0, BIF_ARG_1 == am_active_tasks); + sz = 0; + szp = &sz; + hpp = NULL; + while (1) { + int i; + for (i = 0; i < no_qs; i++) + qszs[no_qs+i] = erts_bld_uint(hpp, szp, qszs[i]); + res = erts_bld_list(hpp, szp, no_qs, &qszs[no_qs]); + if (hpp) { + erts_free(ERTS_ALC_T_TMP, qszs); + BIF_RET(res); + } + hp = HAlloc(BIF_P, sz); + szp = NULL; + hpp = &hp; + } } else if (BIF_ARG_1 == am_context_switches) { Eterm cs = erts_make_integer(erts_get_total_context_switches(), BIF_P); hp = HAlloc(BIF_P, 3); @@ -3249,7 +3308,7 @@ BIF_RETTYPE statistics_1(BIF_ALIST_1) res = TUPLE2(hp, b1, b2); BIF_RET(res); } else if (BIF_ARG_1 == am_run_queue) { - res = erts_run_queues_len(NULL); + res = erts_run_queues_len(NULL, 1, 0); BIF_RET(make_small(res)); } else if (BIF_ARG_1 == am_wall_clock) { UWord w1, w2; @@ -3269,7 +3328,7 @@ BIF_RETTYPE statistics_1(BIF_ALIST_1) Uint sz, *szp; int no_qs = erts_no_run_queues; Uint *qszs = erts_alloc(ERTS_ALC_T_TMP,sizeof(Uint)*no_qs*2); - (void) erts_run_queues_len(qszs); + (void) erts_run_queues_len(qszs, 0, 0); sz = 0; szp = &sz; hpp = NULL; @@ -4050,6 +4109,17 @@ BIF_RETTYPE erts_debug_set_internal_state_2(BIF_ALIST_2) BIF_RET(am_ok); } } + else if (ERTS_IS_ATOM_STR("fill_heap", BIF_ARG_1)) { + UWord left = HeapWordsLeft(BIF_P); + if (left > 1) { + Eterm* hp = HAlloc(BIF_P, left); + *hp = make_pos_bignum_header(left - 1); + } + if (BIF_ARG_2 == am_true) { + FLAGS(BIF_P) |= F_NEED_FULLSWEEP; + } + BIF_RET(am_ok); + } } BIF_ERROR(BIF_P, BADARG); |