diff options
Diffstat (limited to 'erts/emulator/beam/erl_bif_info.c')
| -rw-r--r-- | erts/emulator/beam/erl_bif_info.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 1eb106a551..855ef8742a 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -589,7 +589,8 @@ static Eterm pi_args[] = { am_min_bin_vheap_size, am_current_location, am_current_stacktrace, - am_off_heap_message_queue + am_off_heap_message_queue, + am_garbage_collection_info }; #define ERTS_PI_ARGS ((int) (sizeof(pi_args)/sizeof(Eterm))) @@ -638,6 +639,7 @@ pi_arg2ix(Eterm arg) case am_current_location: return 29; case am_current_stacktrace: return 30; case am_off_heap_message_queue: return 31; + case am_garbage_collection_info: return 32; default: return -1; } } @@ -1395,6 +1397,32 @@ process_info_aux(Process *BIF_P, break; } + case am_garbage_collection_info: { + Uint sz = 0, actual_sz = 0; + + if (rp == BIF_P) { + sz += ERTS_PROCESS_GC_INFO_MAX_SIZE; + } else { + erts_process_gc_info(rp, &sz, NULL); + sz += 3; + } + + hp = HAlloc(BIF_P, sz); + res = erts_process_gc_info(rp, &actual_sz, &hp); + + /* We may have some extra space, fill with 0 tuples */ + if (actual_sz <= sz - 3) { + for (; actual_sz < sz - 3; hp++, actual_sz++) + hp[0] = make_arityval(0); + } else { + for (; actual_sz < sz; hp++, actual_sz++) + hp[0] = make_arityval(0); + hp = HAlloc(BIF_P, 3); + } + + break; + } + case am_group_leader: { int sz = NC_HEAP_SIZE(rp->group_leader); hp = HAlloc(BIF_P, 3 + sz); |